Premium MaterialMade of hot melt adhesive and PVC plastic surface, this leak proof tape is sturdy and not easy to tear, suitable for repairing cracks in thick water pipes , basins, buckets and plastic doors and windows. Suitable for Flat SurfacesPVC tape cannot be bent and rolled up at will, so it is more effective to use on smooth and nearly flat surfaces. Especially suitable for repairing cracks on plastic surfaces. Quick Stop LeakThe waterproof tape can prevent leaks and is a good choice for repairing water storage containers, tents and shelters. The repairing effect is more effective without water. Precautions for UseWhen repairing a crack in a pipe, cut a length much larger than the crack and press firmly to cover completely the crack and prevent it from being washed away. It is better to repair after stopping the water.