Rust-Oleum Doodle Wall is a smooth, hard finish that creates a unique, writeable-erasable surface. Once dry, simply use dry wipe markers* to draw or write messages and then erase. Application is easy and it has minimal odour making it safe to use indoors. Ideal for use on painted interior surfaces such as: Plasterboard, Hardboard, Wood, Cement and Metal.Application - Pour approximately half of Part B into Part A and stir until mixed in then add the remainder of Part B and stir thoroughly for about 2 minutes (until a uniform colour is achieved).