... :30meter/roll Certifited:By ISO9001,ISO14001 in china. Chinese Invisible window screen security Material: Fiberglass, PVC.Features:1.long life: ... long life.2. wide range of applications, directly on the window frames, wood, steel, aluminum, plastic doors and windows can ... 6. light performance, with a real sense of invisibility.7.automatic filter UV radiation, protecting family health.8. anti-aging, ...