The lock point is fixed, which can well close the closed position of the window, and can play the role of anti-theft.
It is light and flexible to use, impact-resistant, and there is no knocking sound when switching. This is mainly because the sealing material of doors and windows is elastic material, such as PVC.
Transparent glass can ensure a wide field of vision, which not only ensures the sound insulation effect, but also ensures the consistency of the decoration style.