Our durable Top Performance® Deluxe Fashion GroomingLoops are made of tough thick woven nylon and featurea metal slide for extra strength and long life. Easily adjust to fit any dog Metal adjustment ring helps prevent dog from backing out of the loop for added safety Heavy-duty swivel snap keeps loop securely attached to grooming armEconomical 4-pack contains one of each bright fashion color:Blue Green Pink and Purple. This product meets or exceeds Professional Pet Groomers andStylists Alliance (PPGSA) standards.