1. quality materials: The insect screen windows feature a tightly sealed design, crafted from densely woven polyester fiber. Reinforced with double stitching for enhanced durability, the tearresistant and sturdy material ensures a long service life, offering both durability and permeability. The magic tape adheres securely yet removes easily without leaving marks or damaging the window. 2. Improved mesh density: The reinforced net boasts 89 cm cells, smaller than millet grains, maintaining light transmission while effectively blocking even the tiniest mosquitoes. Enjoy the warmer seasons worry—no more annoying buzzing or bites! 3. Air circulation: Designed for ventilation with an ultrafine mesh, this window screen allows fresh air in while keeping mosquitoes out. The Velcroattached screen ensures a seamless, gap seal when closed, effectively blocking insects while promoting airflow. Experience a healthy, comfortable, and pleasant summer indoors. 4. Easy installation: Set up the window insect screen in just minutes on any window in your home. It includes long adhesive strips for tool mounting onto the window frame. The performance tape loops, sewn directly into the mesh fabric, withstand strong winds without detachment. Your fly screen will stay reliable all summer long.