Size Weight of Dog Head Strap Chin Strap Frame Size Breed Example
XS 1 - 10 lbs 5 - 13 in 3 - 7 in 3.5 in Teacup & Toy Sizes Chihuahua, Pomeranian, Yorkie
.5 - 5 kgs 13 - 33 cm 8 - 17 cm 8.9 cm
Small  9 - 25 lbs  12 - 20 in 4 - 8 in 4.75 in Beagle, Westie, Jack Russell, Cavalier King Charles
4 - 12 kgs 30 - 50 cm 10 - 20 cm 12.1 cm
Medium 20 - 60 lbs 15 - 25 in 5 - 11 in 5.5 in Aussie, Border Collie, Dalmatian
9 - 27 kgs 38 - 63 cm 13 - 28 cm 14 cm
Large 50 - 100 lbs 18 - 30 in 7-16 in 6.38 in German Shepherd, Golden Retriever, Boxer
22 - 45 kgs 46 - 76 cm 15 - 38 cm 16.2 cm
XL 100+ lbs 22 - 45 in 10-24 in 7.25 in Mastiff, St. Bernard, Newfoundland, Great Dane
45+ kgs 56 - 114 cm 28 - 66 cm 18.4 cm  

 

*Frame is the measurement from one corner of the frame to the other (corner of eye to corner of eye across the face).

*Longest strap measurement is length fully streched.

Please keep in mind that breeds vary by size and that the breeds above are examples, you should go by the size and weight of your dog. The weight and frame measurement are the most important measurements. If you have any questions regarding size, please call customer service and they will be happy to assist you.

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