Description:Productname: Aluminum alloy sliding sliding door and window safety lock,anti-theft lock, window stopper, youngster defense security lockUsagescenario: It can prevent young people from opening the window too vast andcausing danger, and also stop kids from opening the sliding doorand turning over things; when the weather is stuffy, it's not safe toopen the window at night, and it is safe and handy to lock thewindow with an auxiliary lock.Specifications:Aluminum alloy sliding sliding door and window safety lock Anti-theft lock buckle Window stopper Child protection safety lockHigh-quality materials, wonderful workmanship, durableTwo colours to meet the needsnote:1.Please allow 0-1cm mistakes due to handbook measurement.2.Itemcolor displayed in images may be showing slightly different on yourcomputer monitor since screens aren't calibrated same.