10pcs PVC Pool Repair Patch Waterproof Self-Adhesive Pool Liner Repairing Patches Stickers for Inflatable Products Boat Raft Swimming Ring. The product is self-adhesive and can be pasted and used after tearing off the release paper. It is easy to operate and does not touch your hands. Waterproof, strong water resistance, can maintain a good degree of adhesion and fit. Instructions: Dry the damaged area by putting all the air into the product before use. Cut the patch to a little larger than the appropriate size of the breakage. Tear off the patch, and when pasting, you should pay attention to extruding the bubble of the patch to make the repair surface smooth. Wait 20 minutes after pasting before you can use it.