The RC Pets All Webbing Martingale Dog Collar is a gentle alternative to traditional choke chains. It reduces pulling with a swift clean correction and can lessen the risk of your dog backing out or escaping. The adjustable soft quality webbing design reduces the weight of the collar making it comfortable for you dog to wear. The wide 1 ½ collar features nickel plated hardware and is available in a variety of fun designs and sizes small, medium and large. Size small adjusts to fit a neck size of 9 to 14-inch, size medium fits a neck size of 12 to 20-inch and size large fits a neck size of 16 to 27-inch.