Safety Protector: Sliding door lock designed for baby child safety proofing, cupboard door and windows can lock firmly. Sliding window, sliding closet door, sliding wardrobe door, sliding shower glass doors all easy to move by children, with safety locks, you can no longer worry. Anti-Pet dirty and children's games: Your honey and your adorable dogs, cats and children can no longer be hidden in the cupboards. Your clothes, coats, pants can stay clean behind the doors. Pets and children playing at home will no longer dirty the closet. Make sure your pets and children are all in safe situations. Easy installation: Peel the tape, simply stick it to a clean surface, then keep it flat to wait 48-72 hours, Finish the job without tools. Wide use: one order with 3pcs, can use for sliding glass windows, kitchen sliding doors, cabinet sliding door, sliding shower door, balcony sliding door and so on. Just stick on flat surface like wood, glass, mirror and more Pls measure the space door to door, the space more than 12MM then can stick and work for the security lock.