【Premium Material】The insect-proof windows are tightly sealed and made of tightly woven polyester fiber. Sewn with double seams for durability. The tear-resistant and stable material ensures a long lifespan, is more durable, and has good permeability. The net comes off easily, leaves no traces, and does not damage the window. 【Improved Mesh Density】The reinforced mesh consists of 8-9 cm large cells, which are smaller than millet grains, which does not affect light transmission and can better prevent small mosquitoes. So you can enjoy the warmer season carefree, without annoying buzzing or biting. 【Air Circulation】This window net provides good ventilation and the net is very thin, allowing you to enjoy fresh air while preventing mosquitoes from entering. The window net is attached with Velcro; you can easily open and close the window without gaps. It effectively blocks insects and achieves good air circulation. To offer you a healthy, comfortable, and pleasant summer. Easy Installation: The insect net can be installed in any window in your home in just a few minutes. Comes with long tape, so you can attach the insect net to the window frame without tools. The high-quality strap loop sewn onto the insect net will not fall off in strong winds. The fly screen stays in place all summer. 【Multifunctional】Full dimensions, suitable for most window types, such as wooden windows, steel windows, aluminum windows, steel and steel doors; can also be used with various curved windows.