Collar Size Guide
Note: Measurements are shown in metric / centimetres
COLLAR SIZE | NECK SIZE | COLLAR LENGTH incl tab | COLLAR DEPTH/HEIGHT |
|---|---|---|---|
X-PETITE | 11-18 | 25 | 3.5 |
PETITE | 17-23 | 27 | 4 |
SMALL | 23-30 | 35 | 4.5 - 5 |
MEDIUM | 26-35 | 41 | 5 |
LARGE | 35-42 | 46 | 5 |
XL | 36-52 | 57 | 10.5 |
XXL | 48-65 | 68 | 10.5 |
Support collars are hand-cut and made at Mabel Green Studio.
As a result, there may be slight variations in the finished size.
Collar Sizing for Cats & Small Dogs
🟩 X-Petite & Petite: Suitable for tiny kittens to petite cat breeds such as the Singapura.
🟪 Small & Medium: Most adult domestic shorthair cats will suit either a Small or Medium FeliFeed® collar, depending on their build.
🟨 Medium & Large FeliFeed® collars have a slightly deeper profile, making them suitable for cats with longer necks or a larger build, as well as miniature and small dog breeds that have a short neck span.
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Some dog breeds that may suit the FeliFeed collar® include Yorkshire Terriers, French Bulldogs, Havanese, Poodle crosses and Pomeranians. For example, if your dog's neck circumference is around 14 inches (35 cm), the large size FeliFeed collar may be the most suitable option.
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Check the size table above to find the best fit. Always measure your pet’s neck before purchasing.
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Every FeliFeed® and CaniFeed® collar includes an adjustable Velcro® tab fastener, allowing you to fine‑tune the fit. Because of this adjustability, some pets may fit more than one size.
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If you’re unsure which size to choose, please send your pet’s neck circumference and neck length, and we’ll help you select the most suitable option. Alternatively, we will gladly make a custom-size collar specially for your pet. Email details to Louise at hello@felifeed.co.uk
🟦 Reassurance
If your order arrives and you realise the size isn’t quite right, don’t worry — we’re here to help. Just send us a quick email to let us know.
Your fastest option is to place a new order for the correct size via the website. This allows us to dispatch the replacement straight away, ensuring your pet isn’t left waiting for the support they need. As soon as the original collar is received safely back, we’ll process a full refund for that item.
Please refer to Returns (item 2) for full details.
For custom size requests and general enquiries, please complete the contact form to discuss your patient’s specific needs.
Read The Story - inspired by our work with Manchester Cat Clinic
Shop FeliFeed® Support Collars
Shop CaniFeed® Support Collars
Collar Sizing for Medium & Large Dogs
⬜ XL and XXL CaniFeed® collars are designed for medium‑ to large‑sized dogs and offer an extended profile for longer necks.
These collars are available in breathable fabric or a waterproof version for dogs who have been cleared by their veterinary team to go out on short, supervised walks (see the photo of Nellie below).
Every dog is wonderfully unique, and neck sizes can vary even within the same breed. The list below is designed as a helpful guideline to point you in the right direction.
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Check the size table above to find the best fit.
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Support collars include an adjustable Velcro® tab fastening, giving you some flexibility in the fit. Your dog may therefore sit between both sizes.
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For the best and most comfortable fit, always measure your dog’s neck before placing an order.
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If you’re unsure which size to choose, please send your pet’s neck circumference and neck length, and we’ll help you select the most suitable option (see measuring tips below). Alternatively, we will gladly make a custom-size collar specially for your pet. Email details to Louise at hello@felifeed.co.uk
🟦 Top UK Breeds That Fit the XL Size (36–52 cm)
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Beagle
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Border Collie
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Cockapoo
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Cocker Spaniel
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English Setter
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Golden Retriever
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Greyhound (most females)
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Labrador Retriever
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Springer Spaniel
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Staffordshire Bull Terrier
🟥 Top UK Breeds That Fit the XXL Size (48–65 cm)
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Bernese Mountain Dog
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Doberman Pinscher
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German Shepherd
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Great Dane
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Greyhound (larger males)
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Irish Wolfhound (smaller individuals)
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Rottweiler
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Siberian Husky
🟩 Small or short‑necked dog breeds that are better suited to the FeliFeed® collar:
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Boston Terrier
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Dachshund (Miniature & Standard)
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Havanese Poodle cross
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English Bulldog
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French Bulldog
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Pomeranian
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Pug
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Shih Tzu
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Yorkshire Terrier
🟦 Reassurance
If your order arrives and you realise the size isn’t quite right, please don’t worry — we’re here to help. Just send us a quick email to let us know.
Your fastest option is to place a new order for the correct size via the website. This allows us to dispatch the replacement straight away, ensuring your pet isn’t left waiting for the support they need. As soon as the original collar is received safely back, we’ll process a full refund for that item.
Please refer to Returns (item 2) for full details.
For custom size requests and general enquiries, please complete the contact form to discuss your patient’s specific needs.
Read The Story - inspired by our work with Manchester Cat Clinic
Shop FeliFeed® Support Collars
Shop CaniFeed® Support Collars
Mouse, a large domestic shorthair cat with a neck circumference of 26 cm, wears the medium-sized FeliFeed® Support Collar.
👉 See our Visual Guide: Which Collar Might Fit Your Cat
Nellie is wearing the waterproof CaniFeed® Support Collar in size XL.
🛡️CaniFeed® and FeliFeed® are design-protected. Trademarks and copyrights are registered.
How to Measure Your Pet’s Neck Circumference
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Choose a calm moment — ideally when your pet is relaxed or resting.
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Use a soft tape measure and wrap it gently around the base of the neck, where a collar would usually sit. Measure close to the skin, not over bulky fur.
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Check the fit by slipping two fingers between the tape and your pet’s neck.
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Note the measurement in centimetres, rounding up if your pet is between sizes.
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Repeat once more to confirm accuracy.
How to Measure Your Pet's Neck Length
Use a soft tape measure to find the distance from the base of the skull (just behind the ears) down to the top of the shoulders. This gives you the vertical length of the neck — helpful when choosing between collar sizes with different depths.
Important Considerations
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Use a soft tape measure for accuracy, or wrap a piece of string around the area, then measure it against a rigid ruler.
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Check the fit regularly, especially if your pet is growing or their weight changes.
🛡️CaniFeed® and FeliFeed® are design-protected. Trademarks and copyrights are registered.
Visual Guide - choosing the right size for your cat
Every cat is unique, but this visual guide offers a helpful starting point.
We’ve grouped familiar cat breeds by typical adult size to help you estimate which FeliFeed Collar might suit your cat. These categories are based on average adult neck sizes and weights, so they’re only a general reference. For the most accurate fit, please follow the measurement advice above and measure your own cat.
Kittens usually suit the X‑Petite or Petite sizes. Most domestic shorthairs will fit either the Small or Medium collar, depending on their build. If your cat has a longer neck, consider the Medium size — the Velcro fastener allows the collar to be adjusted for a comfortable, secure fit.
Read The Story — inspired by our work with Manchester Cat Clinic
Shop FeliFeed® Support Collar
Shop CaniFeed® Support Collars