Features: PACKAGE CONTENTYou will receive 2pcs window restrictor locks, 2pcs adhesion promoter, 2pcs keys and 4bags installation screws, sufficient quantity for your daily use. Great for home, office, school, hotel, etc. KIDS SAFETYThe window restrictor is used to limit the distance that the window can be opened to maintain air circulation, and it is specially designed for the safety of children or babies, you dont have to worry about children opening doors and windows by mistake. DURABLE MATERIALThe window restrictor locks are made of ABS, zinc alloy and thickened steel core, high-strength, sturdy and strong, very durable, wear-resistant, reliable, not easy to break, can be used for long time. EASY INSTALLThe window stopper locks with back adhesive, simple and convenient, no drilling. Also equipped with screws, the installation is more firm, and the installation method can be selected according to the specific situation. WIDE APPLICATINSSuitable for most types of windows and small doors, can be used in refrigerator, cabinet, washing machine, drawer and any place you want to use. Find a hard object that can be inserted into the lock hole and rotate to unlock the lock, so you are not afraid of losing the key. You will receive 2pcs window restrictor locks, 2pcs adhesion promoter, 2pcs keys and 4bags installation screws. Used to limit the distance that the window can be opened to maintain air circulation, and it is specially designed for the safety of children or babies. Made of ABS, zinc alloy and thickened steel core, high-strength, sturdy and strong, very durable, wear-resistant, reliable, can be used for long time. Specification: Material: ABS+Zinc alloy+Steel Color: White Total length: About 255mm/10.04inch Base size(WxH): About 50x60mm/1.97x2.36inch Package includes: 2pcs x Window Restrictor Locks 2pcs x Adhesion promoter 2pcs x Key 4bag x Screws Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.