Why you need it No more kids or pets locking you or themselves in a room; Prevent children from entering specific rooms like toilets or storage rooms without adult supervision; Prevent children from playing with the door and pinching their fingers. High quality material This sliding door lock made of strong ABS rubber, solid and durableStrong 3M adhesive tape makes it possible to work on many many flat surfaces like glass, wood, plastic and metal, helping the locks to stay firmly on various sliding doors and windows. Easy to install Our window restrictor is very easy to install, without tools or drilling. These window locks are equipped with 3M VHB industrial foam glue, which has strong adhesion, just peel and stick. Auto-lock, no key required. Prevent children from escaping from the window. At the same time, it can maintain ventilation and fresh air circulation. Versatile use This child safety lock can be used on sliding glass, sliding doors, sliding windows in the home, such such as balconies, closet doors, kitchen doors, wardrobe door, etc. doors with this adhesive child safety lock. Features: Strong and durable, not easy to deform, can withstand high temperatures, not afraid of hot sun in summer. The window lock can be completely removed without damaging the window. Easy to install, this sliding children's door locks with strong double-sided 3M adhesive foam, no tools required. < p>They can be installed in homes, offices, schools, hospitals and hotels. It is not only suitable for opening windows to outside, but also suitable for opening windows to inside. Specification: Material: ABS Color: White Size: 7*3.8cm Package Include: 2 x Sliding Door Lock Note: Please allow 0~1 inch error due to manual measurement. Thank you for your understanding. Please heat the babyproof lock with a hair dryer about one minute, then peel off the glue carefully.