4 Pieces kayak inflatable boat D-ring round patch pad with 5mm 3.6m 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 rope, bailer, cargo, thigh straps Great replacement accessories for PVC inflatable boat, raft, dinghy, kayak, canoe, stand up paddleboard, , 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, Gray, Red, Blue, White, Black for you choose Quantity: 4 Pieces Shock Cord Material: Rubber Length: Approx. 3.6 m/11.8 ft Diameter: Approx. 5 mm/0.2 inch Color: Blue Package Includes: 4 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!