Ventilation and safety：This window restrictor not only meeting the function of ventilation but also protects the children in your house, it prevents babies from pinching their hands by opening or closing the window without adult supervision; Prevents babies from climbing up the window; It is not only effective for babies, but also effective for pets

Adjustable and Longer: window restrictors are adjustable.Just turn the knob easily to change the opening size.

Universal and Multiple Use：Our baby safety locks have a wide range of application, Not only suitable for most type of Windows such as (inner opening window, outer opening window, sliding window), but also suitable for doors, washing machines, etc. It can protect children's little fingers from being pinched between the door and the wall; prevent children from getting into the washing machine