FIT & SIZING
Size guide
How to measure your pet and choose the right size for collars, harnesses, apparel and beds.
Tip: sizes vary between products and brands. Use this guide to measure your pet, then always compare your measurements with the size chart on the product page. Need help? Ask our team.
How to measure
- Neck: measure around the middle of the neck where a collar sits. Slide two fingers under the tape.
- Chest (girth): measure around the widest part of the rib cage, just behind the front legs.
- Back length: measure from the base of the neck to the base of the tail.
- Body length (for beds): measure from nose to the base of the tail while your pet is lying down.
Read our full guide: How to measure your dog for a collar and harness.
Dog collars — neck size
| Size | Inches | Centimeters | Typical breeds |
|---|---|---|---|
| XS | 8–12 in | 20–30 cm | Chihuahua, Yorkie |
| S | 12–16 in | 30–40 cm | Dachshund, Shih Tzu |
| M | 15–20 in | 38–51 cm | Beagle, Cocker Spaniel |
| L | 18–24 in | 46–61 cm | Labrador, Boxer |
| XL | 22–28 in | 56–71 cm | German Shepherd, Great Dane |
Dog harnesses — chest girth
| Size | Inches | Centimeters |
|---|---|---|
| XS | 12–16 in | 30–40 cm |
| S | 16–21 in | 40–53 cm |
| M | 21–27 in | 53–69 cm |
| L | 27–33 in | 69–84 cm |
| XL | 33–40 in | 84–102 cm |
Dog apparel — back length
| Size | Inches | Centimeters |
|---|---|---|
| XS | 8–10 in | 20–25 cm |
| S | 10–12 in | 25–30 cm |
| M | 12–16 in | 30–41 cm |
| L | 16–20 in | 41–51 cm |
| XL | 20–24 in | 51–61 cm |
Pet beds
Add 6–12 in (15–30 cm) to your pet’s body length. Pets who curl up can go a size smaller; pets who stretch out should size up.
| Bed size | Bed length | Pet weight (approx.) |
|---|---|---|
| S | up to 24 in / 61 cm | up to 25 lb / 11 kg |
| M | up to 30 in / 76 cm | up to 50 lb / 23 kg |
| L | up to 36 in / 91 cm | up to 80 lb / 36 kg |
| XL | 42 in+ / 107 cm+ | 80 lb+ / 36 kg+ |
Cat collars
Most adult cats have a neck size of 8–12 in (20–30 cm). Always choose a breakaway collar and leave room for two fingers underneath.
Wrong size? Unused items can be exchanged or returned within 30 days — see our Refund & Return Policy.