Our Wall Repair Compound contain resins, penetrants and latex. It can repair wall cracks, a protective film on the wall, suitable for rental housing decoration, removal of wall stains, graffiti, scratches, stains, cracks and so on. The way to use it is simple: clean and dry the wall area that needs to be repaired first, and gently remove any loose paint or debris first. Then gently shake the lid off and use the built-in rolling brush to apply evenly to the blemishes on the wall. Can quickly and effectively repair the cracks in the wall, so that the wall is restored as new.