Window is designed with a stainless steel frame, which is durable, has good compressive strength, does not deform, and can withstand a lasting service life. The window structure is stable, reduces the noise in use, and can provide quiet and comfortable environment. Features -Color:Silver -Material:Stainless steel -Size:32.50X15.00X2.00cm/12.77X5.89X0.79in - Sliding window security is easy to install, no drilling required, won't not damage the windows. - Sliding window is designed for wind support and the position of aluminum doors and windows. - Window lock , adjustable and can be locked to improve window security, can fully meet your daily needs.. - This window is long, suitable for various window sizes, easy to install, time-saving and effortless. - With this window security , prevent windows from being blown shut, increase safety of the improvement. Package list: 1 x sliding window security