For Sup Kayak Paddleboard Inflatable Boat, Golden Muhe 6 Pcs. Stainless Steel 6 Pcs Stainless Steel D-Ring PVC Patch Elastic Bungee Shock Cord for SUP Paddleboard Kayak Inflatable Boat Rafting Reminding: There is No glue included.you need to buy PVC glue separately. Package included: 6 x D-Ring PVC Patches 1 x 8 feet Elastic Bungee Shock Cord D Ring Patch Specifications: Materials: Stainless Steel D Ring and PVC Patch Patch Diameter: 3.15" (8cm) Width inside D-Ring 1.2 inch(3cm). Bungee Shock Cord Materials: Rubber latex core + polyester Diameter: 5 mm length: 8 feet Color: Black After-sale services: if you have any questions,pls feel free to contact us with Amazon message.we will solve your problem at once. 1?High quality material-Thicker Stainless Steel D-ring with strong corrosion-resistance,and the D ring PVC patch is made of multiple layers of high quality PVC.Compacted and Welded under high temperature,the D-ring patch is super firm and reliable and durable. 2?Packed with Bungee Shock Cord-with 5mm diameter 10 feet Elastic Bungee Shock Cord in the parcel.one-stop shopping,save your time and money. 3?Wide Application-These D ring Pads are very easy to use and they are suitable for all kind of Paddle board,Inflatable Boat,Raft, Surfboard,Kayak, Canoe, SUP. 4?Size-the PVC patch diameter 3.15" (8cm), Width inside D-Ring 1.2" (3cm). No glue included.you need to buy PVC glue separately. 5?Package-6 Pcs D-ring patch and 10 feet Elastic Bungee Shock Cord.(No glue included) if you have any questions,pls feel free to contact us with Amazon message.we will solve your problem at once.