Features: Adjustable design: Our expandable screens mesh for window is adjustable in width and can be applied on various windows from 21''-38.6'' in length, both horizontally and vertically can fit well. Easy disassembly: Each set of adjustable window screens with frame just snaps together, and can be cleaned and stored directly after the plug in is removed, taking up little space. Each expandable window net screen for home can be applied individually. Air circulation: If the outside temp and humidity make it possible, it is a good choice to use a removable window screen on your windows at the front and back of the house to establish fresh air circulation. Specifications: Main material: fiberglass material and aluminum alloy Size: 25'' -45'' W x 18'' H Package includes: 4 x Privacy adjustable window screens with frame Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.