EASY TO INSTALL & USE -- 1.Clean the surface >> 2.Peel the paper off first >> 3.Stick the latch and press it hard after sticking >> 4.Let the latch sit for 24 hours even. NO TOXIC MATERIALS -- Made from no toxic ABS materials that are thoroughly lab-tested. Friendly to both children and pets. DUAL BUTTON OPERATION -- Requires to squeeze dual button simultaneously and then pull the part out of the lock. Toddlers are hard to find out how to unlock them. STRONGER STICKINESS -- Not drill holes. Just peel, stick, and you're done. Enlarging the sticker to provide stronger stickiness. FIT MANY APPLIANCE & FURNITURE -- Our baby proof latches can be used on refrigerators, fridges, cabinets, drawers, trashes, toilet seats, freezer door and more. Works on a flat surface or around corners that something could stick on. Not for sliding door!.