Wipe with a clean dry cloth. If you live close to the sea, you should wipe it regularly with a damp cloth to prevent the build up of sea salts which could cause corrosion. This is an indestructible material, but it is prone to scratching so care must be taken when cleaning. Avoid use of acetone, trichloroethylene, ammonia or detergents containing these products. Avoid ethyl alcohol that may damage polypropylene surfaces. Avoid abrasive products such as powder detergents, abrasive pastes, steel wools, rough sponges or scourers. Do not use objects that may cause scratches.