Celina's Polyethylene curtains are designed for fuel savings, shrink resistance, durability, and UV protection. The PE curtains are manufactured with 3-ply construction; two outer layers of durable, pliable polyethylene is bonded over an inner layer of super tough, tightly woven polyethylene. Available in 7.5oz fabric, Celina's PE curtains allow light passage without air leakage. The curtains are strong, do not stretch or shrink, and resists cuts, ripping, and tearing. PE Curtain Walls are an economical solution for sidewalls, tunnel openings and fan covers.