Our wall repair paste contains calcium carbonate and calcium oxide. It can clean scratches, graffiti and stains from your walls, making your walls look like new. Its use method is very simple: 1. Open the product, use a sponge to take the appropriate amount of paste. 2. Wipe the stained area in a circular motion. 3. Wipe off residue with a damp towel. The ingredients are gentle, safe and effective, protecting your health and making your walls bright and clean.