PLEASE MEASURE: S- 5/8" collar width fits 11-13" neck, M- 1" collar width fits 13-16" neck, L- 1" collar width fits 16-22" neck, XL- 1" collar width fits 18-26" neck. Ribbon on Webbing Collars: Handmade in the USA. Features top quality nickel plated steel hardware. Made with 100% heavy nylon webbing. Sublimated polyester grosgrain ribbon sewn on one side of nylon webbing. Sewn together with B69 heavyweight bonded nylon thread. Now even your pup can represent the #865LIFE.