Waterproof repair sealing clay may be the fastest solution to fill holes or cracks Easy to reshape depends on the thickness of the wall and the size of the gap, completely fits the air-conditioning hole, pipe connection, socket hole and so on. An ideal solution for filling the holes/cracks of pipe. Prevents any kinds of water leakage, such as anti-rainwater back indoor. Contains cooling glue ingredients, which can automatically harden when exposed to wind, and the operation is very convenient. Can be used for household cracks/holes filling, such as pipe wall groove filling, air conditioning pipe wall gap filling, water pipe butt filling. Easy to use and environmental friendliness without adding any other additives, directly removed to the hole to be blocked on it, not easy to fall off.