WARNING! Falling hazard – to reduce the risk of this product falling down, it must be securely anchored. Use suitable screws and plugs for your home. If you are uncertain, seek professional advice.This furniture must be fixed to the wall with the enclosed wall fastener.Must be secured to the wall for a safe installation. Different wall materials require different types of fixing devices. Use fixing devices suitable for the walls in your home, sold separately.The washbasin is resistant to most chemicals, except for strong acids and strong alkalis.