Special Edition product available featuring the Boston Bruins and The Black Dog Tavern Company. This ribbon collar is made from high-tensile strength nylon webbing with sewn on polyester/nylon ribbons. Stain and fray resistant, all collar and lead hardware is cast, not welded brass for extra strength. Buckles are Coast Guard approved for high weight hold. Collar width is 1/2 inch for sizes Extra Small and Small and one inch for sizes Medium through Extra Large.