NEWEST INNOVATIVE WINDOW SCREEN :Keep bugs out, let fresh air in and allow flexibility to open and close windows with ease when need. For flies, wasps, mosquitoes, moths insects. Flame Resistant. Service life of up to more than 5 years, durable and easy to clean, Allows good airflow. Weather resistant and long lasting, to a minimum / Heat Resistance -20c to +80c,leaves no vestige after tearing off smooth surfaces.