Package & Size The package includes 6 pcs Dring patches. The diameter of the PVC patch is 4.33 inches (11 cm), the width inside the Dring is 1.2 inches (3 cm). Please note that the delivery does not include glue. Welded PVC Construction Built super strong with multiple layers of PVC coated material that secures the stainless Dring. This material is then welded to a PVC patch to create a seamless unit; stainless steel Dring for longlasting corrosionresistant service. Highlights Add extra attachment points to your inflatable SUP board or other PVCcoated boat or equipment with these reinforced PVC Dring patches, making it easier to tie down equipment to a raft or canoe or to add handles for safety. Features These patches are strong, easy to apply and are often used by rafting operators to attach various equipment to their boats. Widely used Suitable for PVC inflatable boat, raft, dinghy, kayak, canoe, surfboard, Stand Up Paddle Board, etc.; Used for lifeline, bucket, cargo, thigh straps.