Our wall repair paste contains calcium carbonate and calcium oxide. It can be waterproof and crack resistant, alkali resistant, mildew resistant, fast drying, environmental protection, and firmly combined with the wall after repair, lasting as new. Its use method is very simple: after opening the lid, the product is aimed at the stain on the wall, rolling back and forth, repeatedly brushing until the stain is covered and dried naturally. Wall plaster can effectively repair walls without leaving any trace.