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 36" 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.