Dogline Biothane Waterproof Dog Collar with Quick Release Buckle Strong Coated Nylon Webbing with Odor- Proof for Easy Care Easy to Clean Fits Small Medium Large Dogs, Royal Blue 5/8" W 9-14" LFree your dog to romp in puddles and retrieve from lakes with the Dogline Biothane Waterproof Dog Collar with a Quick Release Buckle. This water repellent collar stays dry and odor free, without shrinking or losing flexibility. Not a chew proof material! Stronger and more durable than leather or nylon, our polyester webbing substrate is bonded with a waterproof coating so it is unrivaled where environs demand strength, flexibility, and cleanliness.