Not Need Drilling: Easy to install, no need for drilling. Install the lock with adhesive tape. Invisible from Outside: The magnetic child safety lock is invisible from the outside, so babies, and burgarlers, don't know where they are. No Screw: The magnetic child lock uses magnetic principles (Hence opposites attract, and similar poles repel) and modern designs, to make the lock more safe, reliable and beautiful. No Effect on the Furniture: It has no effect on the original furniture, such as sticky spots and/or stains. Stress-Free Safety: The goal of the lock is to prevent babies from opening the cabinet, drawer etc, so as to avoid eating and/or using the medicine, cleaning supplies, and the vegetable.Installation Instructions: Clean and dry the surface. Make sure no oil and/or dust at/near the area of installation. Peel off the release paper and apply the safety locks, and latches on the separate surfaces of installation. Please use it after 24 hours of initial installation, so the tape has time to settle down and stick. Use the switch to keep the lock always in a lock or unlock position. To open the lock, put the key on the outside surface of the cabinet door against the location of the lock body. Please adhesive the magnetic key on a suction plate, wall, freezer or any place children cannot reach after use. Color: White Material: Magnet + ABS Package Included: 4 x locks 1 x key