Protect your baby. The baby sliding door stopper is made of pressure-resistant ABS material, making it reliable, durable, and wear-resistant. It adheres firmly to the surface of doors and windows, helping to prevent babies and pets from opening sliding doors and windows and avoiding the risk of falls from heights. Self-adhesive sliding door stopper: The baby closet safety stopper has a self-adhesive backing. No drilling or tools are required. Easy to install: Simply clean the surface, align the position, peel off the backing, stick it on, and press firmly. It adheres firmly to the surface of doors and windows. Sufficient quantity: Includes 4 baby safety stops. Dimensions: 7.2 x 4.6 x 3.9 cm. Opening height: 4 cm. Ensure the gap between the sliding door and window is greater than 0.6 cm. If it is less, it will not fit. Easy to use: The sliding door stopper is easy to use: simply lift and press. Its triangular design is stable and won't easily slip. When not in use, lift it up and pull it inward to prevent the door or window from opening. It is recommended to install the child safety device out of children's reach. Wide application: Our window locks can be used on most sliding glass doors, wooden doors, and windows to prevent children from opening balconies, sliding doors, windows, etc., and are easily removable without damaging furniture.