Sporting Dog Collar. Hunting Dog Collar. 100% Waterproof. No Smell. 100% Waterproof, odor resistant dog collar made of extra durable Biothane: great for the outdoors. Impervious to dirt, moisture, and odors and easily rinsed clean, this highly visible, bright orange collar features a center safety ring. Size: 20 inches x 1 inch wide 100% Satisfaction guaranteed. Soft and flexible superior hunting dog collar. More comfortable than nylon or leather. No more smelly dog collars with this "no stink" collar.