Our wall repair roller brush contains paint and essence. 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. Its use method is very simple: first open the lid, align the product with the stain on the wall, roll back and forth, brush repeatedly until the stain is covered, and let dry naturally. Quickly and effectively repair the cracks in the wall after use, so that the wall is restored as new, the composition is safe, and the effect is lasting.