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Cavapoo Full Grown

Cavapoo Full Grown: Complete Size Guide, Growth Charts

If you’re trying to figure out how big a Cavapoo gets when fully grown — the exact size, when they stop growing, how to predict their adult weight, and what life actually looks like with one — this is the guide you’ve been looking for.

Most articles give you three bullet points and call it done. This one goes further. You’ll find every size category broken down with real weight and height data, month-by-month growth charts, the adult weight prediction formula that actually works, how generation (F1, F1B, F2) affects full grown size, how the Cavapoochon compares, what factors push a Cavapoo bigger or smaller, and everything you need to know about living with a full grown Cavapoo day to day.

And if you’re ready to find a puppy after reading this, Puppy Heaven has been placing healthy, vet-checked Cavapoo puppies with families across Las Vegas, South Florida, and the entire US for over 21 years.


What Is a Cavapoo?

The Cavapoo — also called the Cavoodle — is a crossbreed between a Cavalier King Charles Spaniel and a Poodle (either Toy or Miniature). The breed was developed to combine the Cavalier’s gentle, affectionate nature with the Poodle’s intelligence and low-shedding coat.

The first breeding stages began in the US during the 1950s, with some breeders suggesting that the modern Cavapoo movement gained momentum in Australia in the 1990s as part of the broader designer breed trend. Today, the Cavapoo is one of the most consistently popular small companion breeds in the country.

The Cavapoo is a relatively small breed that’s usually 8–25 pounds and 9–14 inches tall. The Poodle side of the mix can be a Miniature Poodle or Toy Poodle, which significantly affects the size of your full-grown Cavapoo.

One thing that makes the Cavapoo uniquely lovable: both parent breeds were built to be with people. Neither hunts, herds, nor guards. They exist to be companions — and that single purpose shows up in everything about how a full grown Cavapoo behaves.


How Big Does a Full Grown Cavapoo Get? All Sizes at a Glance

Before going deep on each size, here’s the complete reference table covering every Cavapoo size category:

Size Adult Weight Adult Height Poodle Parent Fully Grown By
Teacup Cavapoo 4–7 lbs 7–9 inches Tiny Toy Poodle 7–9 months
Toy Cavapoo 7–13 lbs 9–12 inches Toy Poodle 7.5–11 months
Miniature Cavapoo 13–20 lbs 12–16 inches Miniature Poodle 11–13 months
Standard Cavapoo 20–30 lbs ~18 inches Larger Miniature Poodle 12–18 months

Important note: Cavapoos generally come in two main sizes — Toy and Mini Cavapoo. Mini Cavapoos are created by using a Miniature Poodle in the mix, whereas smaller Toy Cavapoos are bred by using the smallest Toy Poodle. As the Cavalier King Charles Spaniel isn’t exactly large in stature, they aren’t usually mixed with Standard Poodles. Some breeders label Miniature Cavapoos as “Standard” since they’re the biggest available size — so always ask about the Poodle parent specifically, not just the size label.


Toy Cavapoo Full Grown: The Smallest Size

The Toy Cavapoo is the most popular size. Toy Cavapoos can weigh anywhere from 7 to 14 pounds and grow to be around 9 to 12 inches tall, measuring at the shoulder, when full grown. Some people also call smaller Toy Cavapoos “teacup Cavapoos” — they are about 2 pounds lighter than Toy Cavapoos.

Toy Cavapoo Growth Chart (Birth to Full Grown)

Age Weight Range
Newborn (0–4 weeks) 0.5–1.5 lbs
2 months 2–4 lbs
3.5 months ~half of adult weight
4 months 4–6 lbs
6 months 6–8 lbs
9 months 8–10 lbs
12 months 10–12 lbs
Full grown (12–18 months) 7–14 lbs

Toy Cavapoos tend to reach their adult size around 7.5 to 11 months of age. Generally, Toy Cavapoos reach half of their adult weight at around 3.5 months old.

Who is the Toy Cavapoo best for? Apartment dwellers, people who travel frequently, seniors who want a lightweight companion, and anyone who wants a dog that genuinely fits in their lap — this is the size for you. Their small frame does mean they’re more fragile than larger sizes, so households with very young children who play rough should weigh that carefully.

Quick adult weight formula for Toy Cavapoos: You can weigh them at 3.5 months and double their pounds to determine their adult weight. So a 5-lb puppy at 3.5 months will likely mature to around 10 lbs.


Miniature Cavapoo Full Grown: The Most Versatile Size

The Miniature (Mini) Cavapoo is the result of crossing a Cavalier King Charles Spaniel with a Miniature Poodle. Mini Cavapoos typically weigh between 12 and 20 pounds when fully grown and stand about 12 to 16 inches tall at the shoulder.

This is consistently the most requested size — and for good reason. They’re big enough to keep up with active kids, compact enough for apartment living, and sturdy enough not to be fragile. They hit the sweet spot that most families are looking for.

Mini Cavapoo Growth Chart (Birth to Full Grown)

Age Weight Range
Newborn (0–4 weeks) 0.5–2 lbs
2 months 3–5 lbs
4 months 6–9 lbs
4–5 months ~half of adult weight
6 months 9–12 lbs
9 months 10–15 lbs
12 months 12–18 lbs
Full grown (11–13 months) 13–20 lbs

Mini Cavapoos usually reach half of their adult size around 3.5 to 5 months of age. At around 11 to 13 months old, they will reach their full size.

Quick adult weight formula for Mini Cavapoos: To determine the full size of a Cavapoo, you can look to its size at 4–5 months and double it to reach the estimated full-grown size. If your Mini Cavapoo weighs 6 pounds at 4–5 months, the equation will tell you that by the time it reaches adulthood, your dog will weigh 12 pounds.

Gender difference in Mini Cavapoos: Males typically weigh 3 to 5 pounds more than females on average. Males generally range from the upper end of the scale, while females stay toward the lighter end when fully grown. This gender difference is less noticeable in person than it sounds on paper.


Standard Cavapoo Full Grown: The Biggest Size

The Standard Cavapoo is the largest of the three main categories. Standard Cavapoos full grown weight is 20 to 30 pounds. They grow to be around 18 inches tall, measured at the shoulder, full grown.

These dogs are a particularly good fit for families with children — they’re affectionate and gentle like all Cavapoos, but their larger build means they’re less vulnerable to the kind of enthusiastic handling small kids dish out. They’re also a better match for active families who want a dog that can keep up on longer walks or hikes.

Standard Cavapoo Growth Chart (Birth to Full Grown)

Age Weight Range
Newborn (0–4 weeks) 1–2.5 lbs
2 months 4–7 lbs
4 months 8–12 lbs
6 months 12–16 lbs
9 months 15–20 lbs
12 months 18–22 lbs
Full grown (12–18 months) 20–30 lbs

When Is a Cavapoo Fully Grown? The Timeline

This question has a slightly different answer depending on size. Here’s the honest breakdown:

Height: Most Cavapoos reach their full height between 9 and 12 months, sometimes slightly earlier for Toy sizes.

Weight and body condition: After hitting full height, Cavapoos continue to fill out — gaining muscle, chest depth, and body mass — for another few months. Your puppy will do most of its growing in the first six months and will likely reach its full height by its first birthday. After that, they’ll continue to fill out, settling into their final adult physique around 18 months old.

By size:

  • Toy Cavapoo: Fully grown around 7.5 to 11 months
  • Mini Cavapoo: Fully grown around 11 to 13 months
  • Standard Cavapoo: Fully grown around 12 to 18 months

One thing worth knowing: a dog can be at adult height by 11 months but continue subtle body composition changes for another 6–8 months. Height often plateaus around 10–12 months, though some “fill-out” continues, and full mature body condition often develops by 12–18 months.


What Determines How Big a Full Grown Cavapoo Will Be?

This is where most guides are vague. Here’s what actually drives the size:

1. The Poodle Parent — The Biggest Factor

A Toy Poodle parent will produce a much smaller Cavapoo than a Miniature Poodle parent will. This is the single most reliable predictor of your Cavapoo’s full grown size. When inquiring about a litter, always ask specifically about the Poodle parent’s weight and height — not just the size label the breeder uses.

The Cavalier King Charles Spaniel parent is relatively consistent in size: a purebred Cavalier King Charles Spaniel can weigh between 13 and 18 pounds with a height between 12 and 13 inches. This consistency actually helps narrow down size predictions, since the Poodle side introduces most of the variation.

2. Generation (F1, F1B, F2, Multigen)

Generation affects both coat type and, to a degree, size predictability. Here’s how it breaks down:

F1 Cavapoo: One purebred Cavalier parent, one purebred Poodle parent. Genetically 50/50. F1s often have the classic wavy Cavapoo coat and balanced traits from both parents. Size has more variation between puppies in the same litter.

F1B Cavapoo: An F1 Cavapoo bred back to a purebred Poodle. This gives approximately 75% Poodle and 25% Cavalier genetics. F1B Cavapoos are a mix of an F1 Cavapoo and a purebred Poodle, which often means curlier, more hypoallergenic coats — great for allergy-prone households. F1B puppies also tend to be slightly more consistent in size than F1s.

F1BB Cavapoo: A further backcross — F1B bred to another Poodle. F1BB pups usually have tight curls and are especially low-shedding, but may require more frequent grooming.

F2 Cavapoo: Two F1 Cavapoos bred together. Genetically similar 50/50 split on average, but can produce the widest variation in coat and size because genes recombine less predictably.

Multigen Cavapoo: Bred from two Cavapoos. This can give breeders more predictability in coat, size, and temperament — but it really depends on the quality of the breeding lines.

For allergy-sensitive households: F1B or F1BB offers the most reliably low-shedding coat. For maximum hybrid vigor (genetic health benefits of mixed breeding): F1 is your starting point.

3. Gender

There might be slight differences in size between male and female Cavapoos, with males typically being slightly larger. However, the difference is generally minimal. Don’t choose a gender purely for size — the differences in Cavapoos are subtle enough that individual puppy variation matters far more.

4. Nutrition and Diet

Nutrition is a critical factor in determining a Cavapoo’s full-grown size. Puppies need a balanced diet rich in proteins, vitamins, and minerals to support their growth and development. Overfeeding can lead to obesity, while underfeeding may cause stunted growth.

One important myth to bust: restricting food will not produce a smaller adult Cavapoo. It will only produce an underweight, unhealthy dog. Their genetic size ceiling is set at birth.

5. Spay/Neuter Timing

Spaying or neutering affects growth hormone levels and can influence final size. Dogs spayed or neutered before reaching sexual maturity often grow slightly taller and longer, as the sex hormones that signal growth plates to close arrive later. This is worth discussing with your vet — the timing decision should be made for health reasons, not size preferences.


How to Predict Your Cavapoo Puppy’s Adult Size

You don’t have to guess. Here are three methods that actually work:

Method 1: The 16-Week Formula

Most Goldendoodles reach about half their adult weight at 16 weeks of age. Multiply your puppy’s 16-week weight by two to estimate adult size. This same principle applies to Cavapoos. For Mini Cavapoos especially, the 16-week weight doubled gives you a solid estimate.

Method 2: The 4-Month Double

To determine the full size of a Cavapoo, you can look to its size at 4–5 months and double it to reach the estimated full-grown size. This method works well for all three main Cavapoo sizes.

Method 3: Ask for the Parent Weights

This is the most reliable method of all. Parent size is the best predictor — a Cavapoo’s final size is most influenced by their Poodle parent. Knowing whether the parent was a Toy or Miniature Poodle gives you the clearest idea of how big your puppy will get.

At Puppy Heaven, we provide parent weight information for every puppy we place. You can also schedule a video call to meet the puppy and learn about the parents before committing. This is how you get a realistic size expectation — not a guess.


Full Grown Cavapoo Appearance: What They Look Like

Beyond the numbers, here’s what a fully grown Cavapoo actually looks like in person:

Face: Round, expressive eyes, soft floppy ears, and a button nose. The classic “teddy bear face” that makes strangers stop and ask what kind of dog they are. A fully grown Cavapoo looks like a puppy for most of their life — the face just doesn’t age in the typical way.

Coat: Coat types include curly, wavy, or silky. Colors include cream, red, apricot, black, tri-color, phantom, and more. Shedding is very low to none for most Cavapoos.

The coat your full grown Cavapoo ends up with depends heavily on generation. Curly coats, resembling the Poodle parent, may require more frequent grooming to prevent mats and tangles. Wavy coats offer a middle ground, with somewhat easier maintenance. Straight coats, closer to the Cavalier King Charles Spaniel, are the easiest to groom but may shed more.

Build: Compact and proportional. Cavapoos carry themselves with a light, agile build — not blocky or heavy-boned. Even the Standard size at 25–30 lbs has an elegant, small-dog quality to them.


Cavapoo vs Cavapoochon Full Grown: What’s the Difference?

The keyword “fully grown Cavapoochon” appears alongside Cavapoo searches regularly — and these two breeds are frequently confused. Here’s the clean breakdown:

Feature Cavapoo (Full Grown) Cavapoochon (Full Grown)
Parent Breeds Cavalier King Charles Spaniel + Poodle Cavalier + Poodle + Bichon Frise
Adult Weight 7–30 lbs depending on size 9–15 lbs typically
Adult Height 9–18 inches 10–14 inches
Coat Curly to wavy Curlier, more consistently teddy bear
Shedding Low (varies by generation) Very low
Temperament Affectionate, gentle, people-focused Similar, often slightly more relaxed
Grooming Needs Moderate to high Moderate to high
Best For Families, singles, apartments, seniors Allergy sufferers, those wanting extra small size

The Cavapoochon has the addition of Bichon Frise genetics, which tends to make them slightly smaller and can produce a more reliably low-shedding coat across generations. The Cavapoo has more size variety and is more widely available from reputable breeders. Neither is objectively “better” — it depends on your household.

At Puppy Heaven, our team can walk you through both options and help you find the right match.


Full Grown Cavapoo Temperament: What to Expect Day to Day

Size tells you how big your dog will be. Temperament tells you what life with them is actually like. These two questions belong in the same guide.

Deeply Affectionate and People-Focused

Cavapoos have a friendly, playful nature and tend to go with the flow when they get plenty of love and attention from their people. This makes them a good pick for many families, including first-time pet parents.

Full grown Cavapoos don’t grow out of this quality — it’s permanent. They stay bonded, people-centric dogs for their entire lives. Most owners describe them as velcro dogs who prefer to be in the same room as their people at all times.

Great With Kids and Other Pets

A Cavapoo’s gentle demeanor and social personality also means these dogs often get along well with other pets — cats included. Standard Cavapoos are particularly well-suited to households with younger children because their larger build makes them less fragile during play.

The Separation Anxiety Reality

This is something every potential owner should know upfront. Because Cavapoos have such a strong attachment to their families, they may be a little more prone to exhibit signs of separation anxiety and get upset when their family leaves them.

This doesn’t make them a bad dog — it makes them a dog that needs a plan. A dog walker midday, doggy daycare a few days a week, or a second dog for company are all practical solutions. The key is addressing it early through training, not hoping it resolves on its own.

Intelligent and Highly Trainable

Poodles and Cavalier King Charles Spaniels are both easy-to-train dogs, so it follows that Cavapoos are too. They’re super smart, relatively agile, and want nothing more than to make you happy.

Full grown Cavapoos retain their trainability and eagerness to please. They respond well to positive reinforcement throughout their lives and can learn commands, tricks, and appropriate behavior without significant effort from their owners — as long as training started early.


Full Grown Cavapoo Care: Exercise, Grooming & Feeding

Exercise

When fully grown, Cavapoos need around 30–60 minutes of daily exercise, involving brisk walks, playtime, and lots of mental enrichment to keep them happy and healthy.

Games of fetch, short hikes, and training sessions all count. Mental exercise — puzzle toys, obedience work, and interactive games — is just as important as physical activity for this intelligent breed. An under-stimulated Cavapoo will find their own entertainment, usually involving your furniture or belongings.

Grooming a Full Grown Cavapoo

The coat that makes Cavapoos so beautiful is also the coat that requires consistent upkeep.

Brushing: It’s advised to brush curly coats daily, while wavier coats may only need brushing every 1–2 weeks. Selecting the right brushes and grooming tools — such as slicker brushes for detangling and soft bristle brushes for smoother coats — can make a significant difference in maintaining a healthy, mat-free coat.

Professional grooming: Every 6–8 weeks is standard for most full grown Cavapoos. This keeps the coat at a manageable length, prevents matting, and keeps the eye and ear areas clear.

Ears: Floppy ears trap moisture and are prone to infections. Clean weekly and check for redness, odor, or discharge.

Teeth: Small dogs like the Cavapoo are prone to dental disease. Brush two to three times a week — ideally daily — as the single most impactful preventive health habit you can build.

Nails: Trim every 2–3 weeks. Clicking on hard floors is the easy reminder.

Feeding a Full Grown Cavapoo

Feed a high-quality small-breed dry kibble meeting AAFCO guidelines. Full grown Cavapoos generally do well on ¾ to 1.5 cups of food per day, divided across two meals, adjusted by their actual weight, activity level, and the caloric density of the specific food.

Do not restrict food to try to keep them small — their adult size is genetically predetermined. Feed to maintain a healthy body condition (ribs felt but not seen, visible waist tuck from above) rather than chasing a number on the scale.


Full Grown Cavapoo Health: What to Know

Cavapoos tend to be a healthy breed, with a typical lifespan of 12–15 years. As a hybrid, they benefit from the genetic diversity of two separate breeding lines — but this doesn’t eliminate hereditary risk entirely.

Health conditions full grown Cavapoo owners should be aware of:

Mitral Valve Disease (MVD) Mitral valve disease is a heart condition that affects both Miniature Poodles and Cavalier King Charles Spaniels. This inherited condition can lead to poor blood circulation and, in time, congestive heart failure. While there is no cure, it can be effectively managed for many years with medication and regular vet care. Annual cardiac screenings are the most important preventive step.

Patellar Luxation Small dogs like the Cavapoo are at risk of patellar luxation, where the kneecap slips out of place. Mild cases are managed through monitoring; severe cases require surgery.

Hip Dysplasia Hip dysplasia and arthritis are joint problems that can cause pain and stiffness with age. Maintaining a healthy weight is the single most impactful prevention strategy.

Eye Conditions Progressive retinal atrophy (PRA), cataracts, and other eye conditions can be inherited from either parent breed. Annual eye exams help catch these early.

Ear Infections Any floppy-eared breed can be prone to ear infections. Symptoms include a red ear canal, excess wax production, and a bad smell from the ear. Treatment typically includes regular ear cleaning as well as medicated ear drops.

Skin Allergies Environmental or food allergens can cause itchy skin and recurring ear and skin infections. Manageable with vet guidance.

Dental Disease The most preventable condition on this list. Small breeds are structurally predisposed to crowded teeth and gum disease. Daily tooth brushing from puppyhood prevents the most common dental problems.

The best thing you can do: work with a breeder who health-tests parent dogs — especially for heart conditions and eye issues. Ask to see documentation. A reputable breeder will have it ready.


Choosing the Right Cavapoo Size for Your Life

Here’s a practical framework for making the decision:

If You… Best Size
Live in a small apartment Toy or Mini Cavapoo
Have young children at home Mini or Standard Cavapoo
Have mild pet allergies F1B Mini or Toy Cavapoo
Travel frequently or want easy transport Toy Cavapoo
Want maximum sturdiness and activity Standard Cavapoo
Are a first-time dog owner Any size — all are manageable
Are a senior looking for a calm companion Toy or Mini Cavapoo
Have a home with a yard Any size works

All three sizes share the same core temperament: affectionate, gentle, intelligent, and deeply people-focused. The size choice is about your lifestyle and household — not about getting a “better” or “worse” dog. Every full grown Cavapoo is a full grown Cavapoo in terms of character.


Cavapoo Full Grown Cost: What You’ll Actually Pay

Purchase Price

The price for a Cavapoo puppy can vary significantly but is often between $1,500–$3,500. Factors like where you live, your chosen breeder, and whether your puppy is an F1, F1B, or F2 Cavapoo all play a part in the cost.

Prices below $700–$800 from private listings should raise concern. Extremely low prices almost always reflect skipped health testing, minimal vet care, or poor breeding conditions — and you’ll likely pay for it in vet bills later.

Annual Ownership Costs

Expense Annual Estimate
High-quality small-breed food $300 – $600
Routine vet care and preventatives $300 – $500
Professional grooming (every 6–8 weeks) $480 – $960
Dental care supplies $50 – $100
Toys, treats, and supplies $200 – $400
Pet insurance (highly recommended) $360 – $720
Annual Total $1,690 – $3,280

Pet insurance is worth it. Given the cardiac and joint risks Cavapoos can inherit, a single uninsured emergency involving mitral valve disease can cost $3,000–$10,000+. Insurance makes that manageable from month one.


Cavapoo Puppies at Puppy Heaven

At Puppy Heaven, we’ve been placing healthy, well-raised Cavapoo puppies with families for over 21 years. We know this breed inside and out — and we back every placement with real accountability.

Every Cavapoo puppy we place comes with:

Full veterinarian health examination before going home

Up-to-date vaccinations and deworming — protected from day one

Written health guarantee — we stand behind every placement

Microchipping — registered to you on arrival

100% puppy financing available — quick approval, manageable payments

Nationwide delivery — personal hand delivery or standard shipping anywhere in the US and Canada

Video call available — meet your puppy face-to-face before you visit or reserve

Starter kit included — food, wee-wee pads, and a toy to start the first night right

We work exclusively with breeders who health-test parent dogs, raise puppies in home environments, and provide proper early socialization. We also share parent weight information with every inquiry — so you know the expected adult size before you commit.

Our Las Vegas and South Florida boutiques are open for in-person visits, or you can browse everything online from wherever you are.

Browse Available Cavapoo Puppies at Puppy Heaven Explore Financing OptionsContact Our Team in Las Vegas or Florida


Frequently Asked Questions About Full Grown Cavapoos

How big is a full grown Cavapoo?

It depends on size type. Toy Cavapoos reach 7–14 lbs and 9–12 inches. Mini Cavapoos reach 13–20 lbs and 12–16 inches. Standard Cavapoos reach 20–30 lbs and around 18 inches. The biggest factor is which type of Poodle was used as the parent.

When is a Cavapoo fully grown?

Toy Cavapoos tend to reach their adult size around 7.5 to 11 months of age. Miniature Cavapoos reach their full size around 11 to 13 months old. Standards take up to 18 months. All sizes continue to fill out in muscle and body mass for a few months beyond when height stabilizes.

How do I predict my Cavapoo puppy’s adult weight?

The most reliable method is knowing the Poodle parent’s weight. As a formula: double your Mini Cavapoo’s weight at 4–5 months, or your Toy Cavapoo’s weight at 3.5 months, for a rough adult estimate.

Do full grown Cavapoos shed?

Because they’re bred to have low-shedding coats, they may be a better option for people with allergies than a breed that sheds heavily. F1B and F1BB generations with tighter, curlier coats shed the least. F1 Cavapoos with wavier or straighter coats may shed slightly more.

Are full grown Cavapoos good apartment dogs?

Yes. All three main sizes adapt well to apartment living as long as their daily exercise and mental stimulation needs are met. Toy and Mini Cavapoos are particularly well-suited to smaller spaces.

What is the lifespan of a full grown Cavapoo?

This little dog has an impressive lifespan that typically ranges 12–15 years. With proper nutrition, regular vet care, dental maintenance, and weight management, many Cavapoos live toward or beyond the upper end of that range.

What’s the difference between a Cavapoo and a Cavapoochon full grown?

The Cavapoochon has Bichon Frise in the mix (Cavalier + Poodle + Bichon), which tends to produce a smaller, even more consistently low-shedding dog. A Cavapoo is a two-breed cross. Both are excellent companions — the Cavapoo offers more size variety; the Cavapoochon tends to be more uniformly small and curly-coated.

How can I tell if my Cavapoo is overweight?

You should be able to feel your dog’s ribs without pressing hard, but not see them. Looking from above, there should be a visible waist tuck. From the side, the abdomen should tuck up behind the ribcage. If none of these are visible, speak with your vet about a feeding adjustment.


Final Thoughts: Finding the Right Full Grown Cavapoo for Your Home

A full grown Cavapoo is one of the most consistently well-rounded companion dogs available — regardless of which size you choose. They stay manageable, stay affectionate, stay intelligent, and stay devoted to their families for 12 to 15 years.

The size decision comes down to your living space, your family makeup, your activity level, and whether allergies are a factor in your household. This guide has given you every data point you need to make that decision clearly.

When you’re ready to find yours, Puppy Heaven is the place to start. Over 21 years, more than 30,000 placements, and a team that will answer every question you have — including what size to expect from any specific puppy we’re currently placing.

View Available Cavapoo Puppies at Puppy Heaven →

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