Please review our sizing charts for fit and size information.
Eyewear Typical Size Dog Head Strap and Frame Chin Strap
XS 1 - 10 lbs 5 - 13 inches 3 - 7 in
.5 - 5 kgs 13 - 33 cm 8 - 17 cm
Breed example: Chihuahua, Pom
Small 9 - 25 lbs 12 - 20 inches 4 - 8 inches
4 - 12 kgs 30 - 50 cm 10 - 20 cm
Breed example: Beagle, Westie
Medium 20 - 60 lbs 15 - 25 inches 5 - 11 inches
9 - 27 kgs 38 - 63 cm 13 - 28 cm
Breed example: Dalmation, Border Collie
Large 50 - 100 lbs 18 - 30 inches 6 - 15 inches
22 - 45 kgs 46 - 76 cm 15 - 38 cm
Breed example: German Shepherd, Labrador Retriever
XL 100+ lbs 22 - 45 inches 11 - 26 inches
45+ kgs 56 - 114 cm 28 - 66 cm
Breed example: Large Rottweiler, St. Bernard
Fashion Harnesses
Teacup < 3 lbs
XXS 3 - 5 lbs
XS 5 - 10 lbs
S 15 - 25 lbs
Fashion Hats
Teacup < 3 lbs
XXS 3 - 5 lbs
XS 5 - 10 lbs
S 15 - 25 lbs
M 25 - 55 lbs
L 55+ lbs
K9 Kaps
XS < 10 lbs
Small 10 - 35 lbs
Large 35+ lbs
T-Shirts and Fleece Warmups
Size indicates length in inches from collar to tailbone.
Pet Jewelry
Size indicates length in inches
Reflective Mesh Sizing Chart
Size Chest Length Girth
Medium 22 - 26 inches / 55 - 66 cm 22 - 28 inches / 55 - 71 cm
Large 26 - 31 inches / 66 - 79 cm 28 - 33 inches / 71 - 84 cm
Flotation Jackets Sizing Chart
Size Jacket Length Chest Length Girth
Teacup 6 in / 15 cm 7-10 inches / 17-25 cm 12-18 inches / 30-48 cm
XXS 8 in / 20 cm 9-13 inches / 22-33 cm 14-21 inches / 35-53 cm
XS 10 in / 25 cm 12-18 inches / 30-48 cm 18-24 inches / 45-61 cm
S 13 in / 33 cm 18-22 inches / 45-56 cm 20-32 inches / 50-81 cm
M 16 in / 40 cm 18-26 inches / 45-66 cm 26-40 inches / 66-101 cm
L 20 in / 50 cm 26-32 inches / 66-82 cm 28-48 inches / 71-122 cm
Backpack Sizing Chart
Size Approximate weight of dog
XXS < 10 lbs < 4 kg
XS 8 - 20 lbs 3 - 9 kg
S 15 - 40 lbs 7 - 18 kg
M 30 - 75 lbs 14 - 35 kg
L 65 - 250 lbs 30 - 155 kg
Eyewear Typical Size Dog Head Strap and Frame Chin Strap
XS 1 - 10 lbs 5 - 13 inches 3 - 7 in
.5 - 5 kgs 13 - 33 cm 8 - 17 cm
Breed example: Chihuahua, Pom
Small 9 - 25 lbs 12 - 20 inches 4 - 8 inches
4 - 12 kgs 30 - 50 cm 10 - 20 cm
Breed example: Beagle, Westie
Medium 20 - 60 lbs 15 - 25 inches 5 - 11 inches
9 - 27 kgs 38 - 63 cm 13 - 28 cm
Breed example: Dalmation, Border Collie
Large 50 - 100 lbs 18 - 30 inches 6 - 15 inches
22 - 45 kgs 46 - 76 cm 15 - 38 cm
Breed example: German Shepherd, Labrador Retriever
XL 100+ lbs 22 - 45 inches 11 - 26 inches
45+ kgs 56 - 114 cm 28 - 66 cm
Breed example: Large Rottweiler, St. Bernard
Fashion Harnesses
Teacup < 3 lbs
XXS 3 - 5 lbs
XS 5 - 10 lbs
S 15 - 25 lbs
Fashion Hats
Teacup < 3 lbs
XXS 3 - 5 lbs
XS 5 - 10 lbs
S 15 - 25 lbs
M 25 - 55 lbs
L 55+ lbs
K9 Kaps
XS < 10 lbs
Small 10 - 35 lbs
Large 35+ lbs
T-Shirts and Fleece Warmups
Size indicates length in inches from collar to tailbone.
Pet Jewelry
Size indicates length in inches
Reflective Mesh Sizing Chart
Size Chest Length Girth
Medium 22 - 26 inches / 55 - 66 cm 22 - 28 inches / 55 - 71 cm
Large 26 - 31 inches / 66 - 79 cm 28 - 33 inches / 71 - 84 cm
Flotation Jackets Sizing Chart
Size Jacket Length Chest Length Girth
Teacup 6 in / 15 cm 7-10 inches / 17-25 cm 12-18 inches / 30-48 cm
XXS 8 in / 20 cm 9-13 inches / 22-33 cm 14-21 inches / 35-53 cm
XS 10 in / 25 cm 12-18 inches / 30-48 cm 18-24 inches / 45-61 cm
S 13 in / 33 cm 18-22 inches / 45-56 cm 20-32 inches / 50-81 cm
M 16 in / 40 cm 18-26 inches / 45-66 cm 26-40 inches / 66-101 cm
L 20 in / 50 cm 26-32 inches / 66-82 cm 28-48 inches / 71-122 cm
Backpack Sizing Chart
Size Approximate weight of dog
XXS < 10 lbs < 4 kg
XS 8 - 20 lbs 3 - 9 kg
S 15 - 40 lbs 7 - 18 kg
M 30 - 75 lbs 14 - 35 kg
L 65 - 250 lbs 30 - 155 kg
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