Brown PU Leather Spiked & Studded Dog Collar for Pit Bull, Boxer - for 17"-20" Neck - 2" Wide - 31 Spikes 52 Studs By Indiana Bones (TM) Pliable, Durable Brown PU Leather Collar Spikes made of Nickel-plated material Total length = 23.5", designed to fit dogs with neck sizes 17" to 20" Double layer 2" wide Brown PU Leather Strong D-Ring and 5 adjustment holes for easy fitting