- High quality material and construction: Hermetically sealed screen windows are made of tightly woven polyester fibre; double stitched for durability; tear resistant for long service life and good transmission performance. Velcro fastener can be easily removed without leaving marks or damaging the glass. - Effective protection and compatibility: Keeps insects out while letting fresh air in. Suitable for all types of windows, including aluminum window frames, sliding windows, casement windows, and bathroom/toilet slat windows. - Air circulation and easy operation: Small mesh provides good ventilation while blocking mosquitoes. The fly screen is attached with a Velcro fastener so the window can be opened and closed easily and smoothly, effectively maintaining air circulation. - Flexible sizing and secure fit: Cut to fit different window sizes. Use the adjustment tool to fix the net. High performance adhesive tapes are sewn to the window pane and will not fall off in strong winds. The mosquito net stays in place all summer. - Practical use scenarios: Ideal for living rooms or bedrooms in hot weather to enjoy fresh air without insects; suitable for kitchens or bathrooms to improve ventilation; works with various window types in homes or apartments, including sliding and casement windows.