Description: Safe MaterialMade of ABS material, the surface is smooth, the material is safe and will not cause harm to children, and will not leave scratches on doors and windows. Sturdy and durable, it can be used for a long time. One Second LockOpen the wings on both sides to block the movement of doors and windows, and reverse the operation to reset the wings, which will not affect the normal opening and closing of doors and windows. Safety EssentialChildren or pets often want to open doors and windows out of curiosity, which is very dangerous, and this safety lock is designed to keep them safe at home, and you dont have to worry too much when doing other things after locking. Easy To Install And RemoveIt is easy to install without drilling, and there is a transparent non-marking adhesive on the back, which can be pasted on a smooth surface. Heat it up with a hair dryer when you dont need it, and its easy to remove without leaving residue. Wide AppilicationThe opening range of the window can be adjusted by adjusting the position of the safety lock to ensure ventilation while ensuring safety. This lock is not only suitable for sliding doors and windows, but also for cabinets, wardrobes and more. Specification: Material: ABS Color: transparent Feature: east to install, small Size(approx.): (L x W)8.5 x 6.6cm/3.35 x 2.6inch Package Included: 4 PCS x Window Lock Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.