Bestway Underwater Adhesive Repair Patches are a quick and easy way to patch up punctures on inflatable products. Each pack includes 10 of the heavy-duty repair patches which are great for patching up boats, pools, spas and airbeds. Bestway has ensured that the puncture repair patches are water-resistant., allowing you to repair problems below the waterline of the boat, pool or spa. Each puncture repair patch measures 2.5 inch x 2.5 inchmaking them ideal for patching up smaller punctures and abrasions. To apply the self-adhesive puncture repair patches, simply clean the damaged area of your inflatable, peel off the back of a patch and then neatly stick it down. Once you've applied an inflatable repair patch, leave it to set for 30 mins before reflating your product