a netting material , useful for insect netting , comprising a glass yarn fiber material with increased durability over currently available netting material . the glass yarn fiber material contains glass filaments extruded such that the filaments and ensuing glass yarn fibers contain a small diameter . the yarn fibers permit flexibility of the material and ready light penetration and ventilation . the material can be coated with a plastic , such as pvc as well as insecticides , and other biocides .