Non-Woven Poly 6 Mil - Diffused - 40' x 150'Our 6 mil non woven poly is made for greenhouses in moderate to warm climates, and permits 90% light transmission. This economical covering helps growers maintain better heat distribution to help regulate their plants. With easy set up and removal, these durable poly covers also resist shifting temperatures, debris, hail, and other bad weather. Product Features List: 6 mil non woven poly permits 90% light transmission Can last up to 4 years under