Description: This security lock stopper can open the sliding door window in a limited range. While protecting children, it also plays a role in ventilation and ventilation. Window stoppers are covered with rubber, effectively increasing the friction for better use and would not damage or scratch your window and avoid any annoying noise. Made of high quality rubber and iron material, it is durable. The length of the product is 6cm, the width is 4cm, and the thickness is 4cm. This safety lock…