Size Guide - Pet Spine Protection Horizontal Backpack

To ensure maximum spine support, comfort, and safety, measure your pet while standing naturally.

Pet Spine Protection Horizontal Backpack

Size Pet Weight Chest Girth Leg Distance Breed Examples
S 4.5 – 7.5 lbs
(2 – 3.5 kg)
13.8 in
(35 cm)
4.5 – 10.2 in
(11.5 – 26 cm)
Chihuahua, Yorkie, Toy Poodle
M 9 – 16.5 lbs
(4 – 7.5 kg)
18.1 in
(46 cm)
6.3 – 13.8 in
(16 – 35 cm)
Maltipoo, Bichon Frisé, Mini Schnauzer
L 18.5 – 23 lbs
(8.5 – 10.5 kg)
19.3 in
(49 cm)
6.5 – 14.2 in
(16.5 – 36 cm)
Jack Russell, Pug, Dachshund
XL 24 – 33 lbs
(11 – 15 kg)
22.6 in
(57.5 cm)
6.7 – 17.5 in
(17 – 44.5 cm)
French Bulldog, Corgi, Beagle

How to Measure:

  • Chest Girth: Measure around the widest part of your pet's ribcage behind the front legs.
  • Leg Distance: Measure the space between the inside of the front leg and the rear leg.

💡 In-between sizes? We recommend picking the larger size for extra comfort.
Risk-Free Fit: Free exchanges if the size doesn't fit your dog perfectly!