Our quick release biothane collar with an added pop of color! 1 inch biothane with a quick release buckle and D-ring for tags and leash snaps. Four gorgeous hardware colors. Endless biothane color combos. Washable, stink proof, and durable, biothane is the best choice for adventure dogs!  *if your dog requires larger than giant sizing, please select the giant size, and add the actual measured neck size of your dog in the order notes.*