MATERIAL: Made of ABS material, the baby safety lock is practical and durable Keep your baby safe: Whether you are keeping sensitive items in your refrigerator, you have a curious child or toddler, or you simply want to get peace of mind and make sure your items won't get into the wrong hands, our refrigerator combo locks are the perfect solution Simple to install: It literally takes seconds to install the refrigerator combo lock. Simply clean the area you are applying the lock to and install it with screws (included) and you are ready to go. ONE FUNCTION: Sliding door locks limit and stop the opening of sliding doors and windows so your little one stays safely inside VERSATILE: You can use the combination lock to secure or make your child safe from just about anything, form your refrigerator or freezer, ovens, dryers, file cabinets, drawers, wardrobes and more