1. MATERIAL: Anti-fly screen clip is made of plastic, which is not easy to break and durable, and can hold the screen firmly on the window.without loosening up after opening and closing in a daily basis. 2. EASY TO USE: The fly screen clip is self-adhesive, you just need to tear off the film on the fly screen clip and stick it on the window. 3. PRACTICAL TO USE: No need to drill holes, durable and practical. The window screen with fine mesh is definitely a life savor solution someone with an old house with no screens. 4. WIDE RANGE OF USES: Suitable for kitchen, office, living room, children's room, workshop and other places with insect screens. 5.Then put the window screen onto the window and use the other half of the screen clip to adsorb the window screen clip that is stuck to the window to complete the installation. Keep your summer away from insects and mosquitoes.