Features: suitable for babies 6 months-6 years old. No need to drill holes, double-side adhesive sticker, easy and convenient, safe and secure. The product prevents hurting fingers when children play the doors or cupboards. Prevent children opening the medicine cabinet to eating and drinking. Stick when you dry surface, scrub with warm water clean up, don't use your hand. Can be used in refrigerators, cabinets, windows, bookcases, doors, toilet lid, etc. Specifications: material: plastic color: white+double-sided adhesive +abs size: 21cm (length) net weight: 13.8g package included: safety lock.