... PVC Mesh:14x14 mesh,16x16 mesh,18x16 mesh Package:30meter/roll Certifited:By ISO9001,ISO14001 in china. Chinese Invisible window screen ... security Material: Fiberglass, PVC.Features:1.long life: excellent weather resistance ... .2. wide range of applications, directly on the window frames, wood, steel, aluminum, plastic doors and windows ...