Sliding window stopper: you can put sliding window lock on window or door bar, open and close the room as you need, nice to keep sliding windows locked. The sliding door lock can also prevent children from falling and prevent others from invading, protecting your family and pets from accidents Adjustable sliding window lock: the sliding window lock is equipped with a rotating key, you can easily change the card slot distance (0.2 inch to 2 inch), easy to use, suitable for most windows and doors. Size: 2.56*1.26*0.4 '/6.5*3.2*1 cm Quality sliding window security: made of thickened stainless steel (121.5 g), the sliding window door blocker is super strong and durable , can be used for a long time. Sliding window security are equipped with a rubber cushion to prevent scratches and abrasion of the window, increasing the adhesion of the lock and improving the security of the window. Easy Used sliding window security : No punching installation, these sliding bay window are easy to use. The sliding window locks have an internal hex key, you just need to rotate the hex key left or right to keep the sliding window stopper in the right place. Widely used sliding window lock: you will get 1*sliding door lock, 1*key. Sliding bay window lock can be easily applied to most environments, such as patio doors, sliding glass doors, sliding windows. Ideal for home, office, children's room, kindergarten, primary school to use, provide children with a safe environment.