No Need to Drill Child safety window lock has a large area of strong 3M rubber pad, clean both sides of your window surface, then tear off the sticker on the back of the window lock, and it can be firmly attached to the window without drilling or tightening. Easy To Use The child window opening protection cable is 20 cm / 8 inches long. Once the cable is in place, the opening distance of the window is limited. Turn the key and remove the buckle to open the lock. High Quality Childs closet material is made of zinc alloy and the cable is made of 304 stainless steel, durable and paint free. Wide Application Drill-less window security can be used as refrigerator lock, freezer, printer tray lock, paper tray lock, file drawer lock, health care safety lock, refrigerator lock, lock sliding window, etc. Provide More SafetyEffectively prevent damage to children from excessive opening. Keep certain dangerous items out of baby or adult doors and keep unauthorized people out of your refrigerator and cupboards.