Description: 1 Set kit includes: 6 stainless steel D rings patches and 5mm black elastic bungee cord. High quality premium elastic and flexible rubber latex core covered with polyester Easy and convenient to use. Stainless steel D is secured attached to the patch.Elastic and flexible rubber latex core covered bungee rope. Suitable for PVC inflatable boat, raft, dinghy, kayak, canoe, , surfboard. Specification: Shock Cord Material: Rubber latex core + polyester Diameter: Approx. 0.2 inch/5 mm Length: Approx. 16.4 ft/5 m Color: Black D Patch Material: PVC Patch + 316 Stainless Steel D Patch Diameter: Approx. 8.2 cm / 3.2inch D Bottom Length: Approx. 3 cm / 1.18 inch D Height: Approx. 2.2 cm / 0.87 inch D Thickness: Approx. 0.4cm/0.16 inch Package Includes: 12 Pieces D Patches 2 Piece Black Shock Cord Note: Please allow slightly difference due to manual measurement.