MaterialThis child safety locker is made of plastic and stainless steel, which is rust-proof, wear-resistant and durable. Each lock comes with two keys, so don't worry about losing it. SizeThe length of this door stopper is 25.7cm/10.1in, suitable for most doors and Windows. The length cannot be adjusted, the window opening distance is the largest when installed horizontally, and the window opening distance is the smallest when installed staggered. Good ProtectionThis refrigerator lock can prevent children at home from opening the refrigerator door or cabinet door at will, spilling the contents inside or hurting themselves. Can provide good protection for children. Easy to installThis fridge door stopper is self-adhesive design, easy to use and strong adhesion, just remove the protective film after confirming position and stick it directly, no need to drill holes to damage the furniture. Wide applicationThe child window protector is suitable for refrigerators, cabinets, doors and windows, drawers, etc., and can be stuck to all smooth, dry and clean surfaces, such as tiles, glass surfaces, metal surfaces, etc.