viscous PVC material for long lasting repairs Made from waterproof and corrosion resistant PVC. This patch quickly repairs leaks and tears in swimming pools, inflatable boats, and air mattresses, delivering long lasting performance. No drain solution Easy to apply anytime, anywhere. Enables fast, hassle repairs without the need to drain water. Saves time and labor and is suitable for both home users and professional maintenance technicians. Versatile use for a wide range of water inflatables Compatible with in ground pools, above ground pools, portable pools, inflatable boats, and more. Provides strong durability and reliable sealing across various surfaces and environments. Bright blue design for easy identification and aesthetic appeal Distinctive blue color makes the repaired area easy to spot, while also serving as a decorative accent to blend in or stand out on damaged surfaces. Use scenarios Quick pool without draining water: seal a puncture in a pool liner or surface while water remains in the pool, suitable for in ground, above ground, or portable pools. On the go for inflatable boats: patch a tear or leak on an inflatable boat during a trip without draining the vessel. Camping or household use: fix leaks in air mattresses for continued use during travel or at home.