Durable, Lightweight, Fabric Mesh, with a High level of Transparency. | Best Chemical-Free Protection against biting and stinging insects, such as: Mosquitoes, Gnats, Noseeums, Bees, Spiders, Ants, etc. | Material Cross-stitch prevents stretching, or freying. | Excellent Crop, and Plant Protection. | Netting by the Yard x 54" wide|Insect Netting | Noseeum Ultra-Fine Mesh | 100% Polyester (20 denier) | +/- 4,800 holes (.5 mm - 1 mm)