DescriptionThis is a set of 2 pieces Multifunctional Window Shifting Lock. To prevent sudden closure of doors and windows or children's movement. lock can be set to anormal state, if not necessary, canbe set to a normal closed state.Feature- Color: White. - Material: ABS. - Size: 7.2x4.7x0.5cm. - Imported ABS resin. No harmful substances testednon-toxic and tastelessmeeting the standards of use. - Ultra light viscosity,easy to clean. - Safe and tasteless environmentally friendly and durable. - To prevent sudden closure of doors and windows or children's movement. lock can be set to anormal state, if not necessary, canbe set to a normal closed state. - Triangular support, strongfirmness, manual opening, to avoid automatic fall off and anti-lock, ultra-thin design.