Pack & Size: Package includes 6 pcs D ring patches. PVC patch diameter 4.33 in (11 cm), width inside D ring 1.2 in (3 cm). Note that adhesive is not included. Welded PVC Construction: Built with multiple layers of PVC coated material securing the stainless steel D ring. The material is welded to a PVC patch to create a seamless unit; stainless steel D ring provides long term corrosion resistant performance. Highlights: Add extra tiedown points to your inflatable SUP board or other PVC coated boats and gear with these reinforced PVC D ring patches, making it easier to secure gear on a raft or canoe or to add grab lines for safety. Features: These patches are strong, easy to apply, and commonly used by whitewater rafting outfitters to attach various gear to their boats. Wide Applications: Suitable for PVC inflatable boats, rafts, dinghies, kayaks, canoes, surfboards, stand up paddle boards, etc. Used for rescue ropes, bailers, cargo, and thigh straps.