
Collar Sizes
XXS: 7”-11”
XS: 9”-13”
S: 11”-15”
M: 13"-17"
L: 15”-19”
XL: 17”-22”
XXL: 19”-24”
Measurements above refer to the size range of holes on the actual collar (ex: XXS has holes ranging from 7”-11”). Collars fit best when fastened in middle of size range. Providing exact measurements of your dogs neck upon ordering ensures your collar will be the perfect fit.

Collar Width
We make collars in 3 different widths of Biothane:
5/8" - XS to S dogs
3/4" - S to L dogs
1" - M to XL dogs
How to measure for a collar
We recommend measuring collars from existing good fitting collars as it provides a more accurate measurement than measuring directly from your dogs neck. If you have any questions about sizing, please ask prior to ordering.