Our wall paint contains cellulose, calcium powder. It protects you and your family's health and is free of benzene and aldehydes. Its use method is very simple: 1. Take out the wall and spray paint directly; 2. Shake the bottle to mix thoroughly; 3. Spray evenly before and after; 4. Allow to dry and repaint the walls. And can easily cover household stains, can cover a variety of wall stains.