[D-Ring Patch Bungee Kit] Add extra tie-down points to your inflatable surfboard or other PVC-coated boat or gear, these reinforced PVC D-ring patches help secure ropes, cargo, paddles or other items , or a fixed kayak seat, [Premium Material] The patch is made of multiple layers of PVC and stainless steel, which is and in salt water environments. elastic elastic rope, soft and wear-, high breaking strength, anti-ultraviolet [Package & Size] The package includes 4 D-ring patches, bungee cords (1/5 inch diameter, 12 feet long) and 4 cord hooks to create a useful deck rigging kit to secure things (no glue .no glue on the back of the patch). The patch is 3.15 inch in diameter and 1.2 inch wide in a stainless steel D-ring [Wide range of applications]Suitable for PVC inflatable boats, rafts, dinghies, kayaks, canoes, surfboards, stand-up paddle boards, etc.; for rescue ropes, buckets, cargo, thigh straps. [Note]The D-ring patch has no glue on the back, please roughen the back and clean it with solvent before applying glue and film to the best effect (no glue in the package). color:Gray Material: PVC+Stainless Steel+Nylon Package Contents: 4 x D-Ring patches 4 x hooks 1 x elastic cord Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.