... Collar Sizes by Breeds(This chart should be used as a guide only)Dog BreedsSize GuideDog BreedsSize GuideChihuahua1/2" * ... for dogs, leather collars, collar cat, cat collars, collars for dogs, collars dogs, training collars, cat collars, training collars, leather collars, ... harness for dog, canine harness, vest harness, easy harness, cat harness, pulling harness, leash and harness, pet harness, small ...