Window locks: thickened aluminum alloy material, , suitable for all kinds of sliding and doors, effectively preventing accidents caused and unintentional opening of in winds. Window safety: fix window or door, from opening window randomly, thief, safe and stable. Window bars: non-slip rubber pad, safe and stable, can be used directly without drilling installation, metal anti-skid rubber pad, strong durability. Window well covers outside: fix window or door, prevent from opening window randomly, prevent thief, safe and stable. Window lock: thickened aluminum alloy material, , suitable for all kinds of sliding and doors, effectively preventing accidents caused by and unintentional opening of in strong winds., Weight: 0.8598028218 Pounds, Manufacturer: Xnuiasqe