Upgraded Capacity: The capacity of the new wall roller brush has been upgraded from 100g to 500g, which can cover a wider wall, allowing you to complete multiple wall upgrades at once., Compacted Design: The 2-in-1 roller design is very easy to use and is ideal for small wall upgrades indoors and outdoors without the need to purchase additional accessories., Widely Applicable: Roller brush suitable for all white painted walls, any wall stains, handwriting, scratches, yellowing, graffiti can be removed, make your wall look new again., Safe and Non-Toxic: Using water-based quality materials, odorless, safe and dry fast, can be easily removed with water on the hand., Easy To Use: After drying once (about 2-4 hours), brush again several times to the desired effect. Not suitable for wet, oily, loose aging walls.