Petwale Adjustable Dog H-Harness is made up with cotton blend, this product is the perfect combination of soft and sturdy. Reduced rashes and hair breakage as compared to other materials. A snug fit ensures secure walks for dogs. Key Features: Custom-made cotton blend fabric ensures the most comfortable wearables for your pet Low friction from this material helps prevent rashes and hair breakage during walks Larger thread cotton gives added strength for secure walks 3 points of adjustments for a snug and secure fit. Refer to image to determine the correct size for your pet. Size Neck(in) Chest Dog Weight XS 9-12 12-15" 2-5kg S 12-16 16-20" 5-11kg M 16-22 20-24" 11-23kg L 20-28 24-31" 23-36kg