To get best results that you can roughen back side and clean with solvent prior to gluing. It is easy to use because the product is with the adoption of minimalistic design.Compact size and lightweight body make the product easy and convenient to carry. It is easy to tie rope, fix items, paddles and so on.316 Stainless steel pull ring will not rust, durable and long lasting. High quality elastic and flexible rubber late core is covered with polyester. PVC material can prevent corrosion with waterproof function.The length of a set of PVC patch kit is 110mm, the width is 110mm and the height is 15mm. The length of PVC patch is 89mm and the width is 85mm.Suitable for PVC inflatable boat, raft, dinghy, kayak, canoe, SUP, surfboard, etc.Item Name: PVC Patch KitMaterial: Stainless Steel,PVCColor: Black, White, Yellow, Orange, Light Grey, Light Green, Sky BlueFeatures: Waterproof, Universal, MinimalisticSize Details: A Set of PVC Patch Kit: 11cm x 11cm x 1.5cm/4.33" x 4.33" x 0.59" (Approx.)PVC Patch: 8.9cm x 8.5cm/3.5" x 3.35" (Approx.)Notes:Due to the light and screen setting difference, the item"s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:4 x PVC Patches1 x 2.5m Elastic Rope4 x 2ml Glues