BABY DOOR LOCK FEATURES: This 4-pack of baby door locks is made from a combination of ABS and stainless steel, making it sturdy and durable. The overall 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, demonstrating its excellent quality. The chain inside 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 safety window lock comes with a very strong, non-adhesive film that peels off and attaches easily to the desired location, without the need for drilling holes or other complicated installation steps, which will not damage furniture, etc. The lock's stability is even better if left to rest for 24 hours after installation. CHILD SAFETY: This child safety lock is designed for children aged 3 to 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 climbing or accidentally opening windows in dangerous situations; it is also suitable for cabinets, refrigerators, drawers, etc., to prevent children from touching dangerous objects; it can also be used on toilet seats, doorstops, ovens, etc., to protect children's safety in all aspects.