FEATURES OF THE BABY DOOR STOP: This 4-piece child safety cabinet lock is made of a combination of ABS and stainless steel, making it sturdy and durable. The total length of the baby safety door stop is 260 x 60 mm, and the size of one side is 50 x 60 mm. Each child safety door stop comes with two spare keys, which greatly reduces the risk of losing the lock and offers you greater convenience and peace of mind. HIGH QUALITY GUARANTEED: The refrigerator door stop has a wider seat and a thicker head, demonstrating its excellent quality. The interior of the chain is made of multiple strands of strong stainless steel wire, which is extremely durable and can protect children's safety. QUICK AND EASY INSTALLATION: This child window lock comes with a highly durable, non-adhesive film that simply peels off and sticks to the desired location, without drilling holes or other complicated installation steps. It won't damage furniture, etc. The lock's stability is even greater when left to rest for 24 hours after installation. CHILD SAFETY: This child cabinet lock is designed for children aged 3 to 8 years old and effectively prevents them from opening dangerous areas such as windows, cabinets, refrigerators, etc. However, it's important to note that this window lock does not have an anti-theft function and focuses on child safety. WIDE APPLICATION: This baby door lock can be installed on all types of windows to prevent children from climbing or accidentally opening windows; it is also suitable for cabinets, refrigerators, drawers, etc. to prevent children from touching dangerous objects; it can also be used for toilet lids, door stops, ovens, etc. to protect children's safety in all aspects.