Key features

• •Made of iron + rubber; Impact resistant, durable; Size: 2.36in×1.6in×0.6in.
• •Easy and instantly lock sliding windows and doors without tools, prevents window from being forced or pried open from outside, keeping your child safety.
• •Very easy instal, close or open the window before installing window stopper; Insert the leg closely to the window groove ; Turn the knob clockwise until the product is secured.The slot largest distance between the two moving windows is about 1.6 inches, the minimum distance is about 1 inches.
• •Given the mechanism, these wedges will place pressure on your closet window tracks (if that's where you're using them).Window stopper are covered with rubber, effectively increase the friction for the better use and would not damage or scratch your window and avoid any annoying noise.
• •Notice: The height of the door window slot must not be less than 0.9 inches. To avoid affecting the stability of the security lock. So buying this product before, you need to measure the distance between the home window or the slot between the sliding doors.If you have any question please contact us for consultation.