MaterialThis child safety cupboard is made of plastic and stainless steel, which is rust-proof, wear-resistant. wear and durable. Each lock comes with two keys, so don't worry about losing it. Sizesuitable for your lock. 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 It is installed staggered. Good ProtectionThis refrigerator lock can prevent children from getting into the fridge. home to open the refrigerator door or the cabinet door. at will, overturning the content at will inside or injuring themselves. Can provide good protection for children. Easy to install InstallationThis fridge door stopper has a self-adhesive design, easy to install. use and Strong adhesion, just remove the protective film after confirming the adhesiveness. 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.