Rolled Soft Leather Dog Collar Soft Padded Sizes XXXS XXS XS S M L Miniature to Large breeds (Black, Size M ref # 0158) *Size XXXS. Ref 2230. Length 9 1/2". First hole at 7" and the last hole at 8 1/5".* *Size XXS. Ref 2231. Length 11". First hole at 8" and the last hole at 10"* *Size XS. Ref 2232. Length 14". First hole at 10" and the last hole at 13".* *Size S. Ref 0039. Length 17 1/2". First hole at 13" and the last hole at 16".* *Size M. Ref 0158. Length 20". First hole at 16" and the last hole at 19''.* *Size L. Ref 0250. Length 23". First hole at 18" and the last hole at 21 1/2".* *Size XL. Ref 0269. Length 26". First hole at 21" and the last hole at 25".