Usage Tips:6 Pieces kayak inflatable boat D-ring round patch pad with 5mm 5m elastic shock cord, lightweight, strong, sturdy, long lasting and corrosion-resistant The shock cord is made from rubber latex core and polyester, with high strength at break and great UV resistance, flexible and wear-resistant Easy and convenient to use, roughen back side and clean the surface to gluing for a secure and durable bond Multi purpose, used for rescue rope, bailer, cargo, thigh straps Great replacement accessories for PVC inflatable boat, raft, dinghy, kayak, canoe, stand up paddleboard, SUP, surfboard and more Also a nice decor for your equipment Specification: D Ring Patch Material: 316 stainless steel, PVC Patch Diameter: Approx. 8 cm/3.15 inch D Ring Bottom Length: Approx. 3.5 cm/1.38 inch D Ring Height: Approx. 3 cm/1.18 inch D Ring Thickness: Approx. 4 mm/0.16 inch Color: Yellow Quantity: 6 Pieces Shock Cord Length: Approx. 5 m/16.4 ft Diameter: Approx. 5 mm/0.2 inch Color: Black Package Includes: 6 Pieces Kayak Boat D-Ring Patch 1 Piece Shock Cord Note: Only the D-Ring patch and shock cord, other accessories are not included. Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!