1. quality materials: The insect screen windows are tightly sealed and made of densely woven polyester fiber. Featuring double stitching for durability, the tearresistant and sturdy material ensures a long service life, enhanced durability, and permeability. The magic tape detaches easily without leaving marks and won't damage the window. 2. Improved mesh density: The reinforced net has 89 cm cells, smaller than millet grains, which maintain light transmission while effectively blocking tiny mosquitoes. Enjoy the warmer seasons worry, from annoying buzzing or bites! 3. Air circulation: This window screen offers ventilation with a fine mesh, allowing fresh air in while keeping mosquitoes out. Attached with Velcro, it opens and closes seamlessly without gaps, effectively blocking while ensuring good airflow. Provides a healthy, comfortable, and pleasant summer experience. 4. Easy installation: The insect screen can be installed in minutes on any window in your home. It includes long adhesive tape for attachment to the window frame without tools. The performance loop tape, sewn onto the mesh fabric, stays secure even in strong winds. The fly screen will last all summer long.