1.5" Martingale Collar Cavalier Pink and BlackA martingale collar is a specialized type of dog collar that helps prevent a dog from slipping out of their collar. Unlike traditional collars that have to be buckled uncomfortably tight to prevent escape, a martingale collar is loose and comfortable until engaged. Adjusted properly, a martingale collar never chokes, but constructs snugly to prevent escape.The collar is 1.5" wide and are good for Greyhounds and large breed dogs.Sizes Available:Medium: 13" - 18"Large: 18" - 25"