? EFFECTIVE PROTECTION: 18 X 16 weave (apertures per square inch) dimensions that strike the right balance between effective protection, sun screening, and visibility without blocking fresh air-flow. ? MULTI-USE: Window screens are easy to cut, the size of the item is 48" x 100', you can easily cut it to the shape and size you need for all screening applications:window screen repair, screen door, porch screen, patio screening, pet screen, and other professional and DIY screening applications. ? DURABLE: The fiberglass screen adopt flat weaving technology and after high temperature forming, chemical corrosion resistance, inflaming retarding washable and no deformation, service life up to 5 years. ? EASY TO CLEAN: You can run the screens through your bathroom shower with the shower head on a gentle setting to rinse them off. Once dry, reinstall the screens and enjoy their clean, nearly transparent state. ? GUARANTEE: if you are not happy with the screen fiberglass roll, please tell us. We will offer 100% satisfactory guarantee. We provide 60 days refund or replacement for any unsatisfaction, feel free to contact us and we will provide best service and buying experience for you.