Biothane Dog Collar - Waterproof - 1/2 inch – Khaos Kollars
Amazon.com : Heavy Duty Tactical Dog Collar - 2" Inch Wide Dog Collars - Quick Release Metal Buckle D-Ring - Waterproof Odorless Biothane Rubber Coated Nylon Webbing For Larger Breed Pet Or
BioThane® Sighthound Collar 1.5" or 2" wide- choose your own colours - 1.5" (38mm) wide