Medium fits dogs with neck size 12-19 Inch Made of strong nylon webbing UTX-Wiener lock buckle Stamped steel slide and bottle opener Machine washable The Kurgo Wander Dog Collar combines stylish simplicity, durability and a twist of utility. The fully adjustable dog collar features a steel slide and leash ring that doubles as a bottle opener to really make Fido man's best friend.Kurgo Wander