Description Chest with a movable buckle can be adjusted size freely Strengthen the nylon material good flexibility strong and durable Using high quality foam on handshake soft and comfortable explosion proof Metal buckle after a rigorous paint can be rotated 360 no easy to rust High quality metal convergence easy to break reinforcement safety Specification Material NylonColor Blue Yellow Black Red OrangeSize M Chest 15 21 7inch 38 55cmL Chest 18 9 29 5inch 48 75cmWeight 200gPackage Include 1 x Pet Traction Rope