BABY DOOR STOPPER FEATURES: This pack of 4 baby door locks is made of a combination of ABS and stainless steel, making it sturdy and durable. The total length of the lock is 26.5 x 6.2 cm. QUALITY GUARANTEED: The refrigerator door lock has a wider base and a thicker head, which demonstrates its excellent quality. The inside of the chain is made of multiple strands of strong stainless steel wire, which is extremely durable and can protect the safety of children. QUICK AND EASY INSTALLATION: This child safety window lock comes with a very strong non-adhesive film that is easily peeled off and fixed in the desired location, without the need to drill holes or other complicated installation steps, which will not damage furniture, etc. The stability of the lock is even better if it is left to stand for 24 hours after being attached. CHILD SAFETY: This child safety lock is designed for children aged 3-8 and effectively prevents them from opening dangerous places such as windows, cabinets, refrigerators, etc. However, it is 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 accidentally climbing or opening windows in danger; 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 stoppers, ovens, etc. to protect children's safety in all aspects.