In the notes section of check out, if you want me to help you with your size, let me know the breed you have and if the muzzle is skinny, large, long, and or wide and I'll do my best to help get a better fitting size.  But, all muzzles are not designed to fit perfectly, which is why Dede has about 50 muzzles at her work station at any one time.  So, consider getting more than one, and building your muzzle needs and variety.  All Sales Final. 
See other listings or call Dede first for advice.  817-676-1585 Made in China for Proguard.