DOCO® LOCO Step-In Harness (DCL202) 100% High Quality Strong stitching for long-lasting durability Higher tensile strength than polyester Heat transfer strap resistant to mold, aging, and abrasion Less pressure on the chest and neck Strong D-rings Side release buckle made of durable plastic Triple slide system for easy size adjustment Bright designs that are easy to see and perfect for showing your dog's personality! Size chart