The Dreambaby Adhesive Mag Lock 4 Locks and 1 Key ensures your cabinets and drawers stay locked so that children cannot open them and potentially access something dangerous. The lock is completely hidden on the inside of the door and can only be opened with the key, which can be placed in a safe place out of reach from children. The locks feature an ezy-cheque indicator that tells you whether the lock is activated or deactivated.