Cute nylon ribbon dog collar Little Sister comes in sizes: CAT, XS, S, M, L, XL. (See chart below for measurements). This cute Little Sister nylon ribbon dog collar also has a matching dog leash (Sold Separately). Matching leash comes in two lengths: 4 ft or 6 ft long and three widths: 3/8", 5/8", 1". Your dog will look cute as they wear their Little Sister nylon ribbon dog collar.