Features: *High Quality Material: The product is made of high quality material, durable and wear-resistant, not easy to break, can use for a long time. *Keep Safe: Window child locks can limit how far doors and window can be opened to help reduce the risks of injury from falls while allowing freshs airs to circulate *Multi-scenario application: Childproof window restrictor is widely used on most UPVC, metal, wooden, casement and sliding window. *Easy to install: easy to install, firm and strong, effectively preventings children from opening doors, window, and cabinets by mistake. *Punch Free Installation: powerful non-marking adhesive, strong adhesion, no need to punch holes, easy to install. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: ABSstainless steelseamless transparent glue Size: As Shown Package List: 2pcs x Window Securitys Lock