Deluxe Dog Grooming Loop 4 Pack The heavy-duty 2-inch swivel bolt snap opens 1/4-inch and keeps the loop securely attached to the grooming arm For added safety, the metal adjustment ring helps prevent the dog from backing out of the loop Made of tough, thick, flat, woven nylon and feature a metal slide for extra strength and long life This economical 4-pack contains one of each colors, black, blue, purple and pink Measures 18-inch length