Lightweight,strong, durable and long lasting.Easy and convenient to use.Stainless steel D ring is secured attached to the patch.Elastic and flexible rubber latex core covered bungee rope.Suitable for PVC inflatable boat, raft, dinghy, kayak, canoe, SUP, surfboard. Patch Diameter: Approx. 8.2 cm / 3.2inch D Ring Bottom Length: Approx. 3 cm / 1.18 inch D Ring Height: Approx. 2.2 cm / 0.87 inch D Ring Thickness: Approx. 0.4cm/0.16 inch Applicable People: Unisex Outdoor Activity: Surfboard colour:White Material:PVC+Stainless Steel+Polyester Package Contents:4 x D-Ring Patch1 x Rope(2.5m)Only the above package content, other products are not included. Note: Light shooting 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.