Usage Tips:[Pack & Size]-- Package included 6pcs D Ring Patches. PVC patch 3.54inch(9cm), Width inside D-Ring 1.2inch (3cm). Kindly note that delivery comes without glue. [Welded PVC Construction]-- Built super tough with multiple layers of PVC-coated material securing the stainless steel D-ring. This material is then welded to a PVC patch to create a seamless unit; stainless steel D-ring for long term - service. []-- Add extra tiedown points to your inflatable SUP board or other PVC-coated boat or gear with these reinforced PVC D-Ring patches, making it easier to tie gear in a raft or canoe or to add grab lines for . [Features]-- These patches are strong, easy to apply, and are commonly used by rafting outfitters to attach a variety of gear to their boats. [Wide Applications]-- Suitable for PVC inflatable boat, Raft, Dinghy, Kayak, Canoe, Surfboard, Stand Up Paddle Board, etc.; Used for rescue rope, bailer, cargo, thigh straps. Colour:Black Material:Stainless steel + PVC Package Contents: 6pcs D Ring Patches for Inflatable Boat Kayak 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.