MCA, Plastic String Reinforced Poly Sheeting 20 Feet X 100 Feet, 6 Mil Nominal, Transparent/White, Durable, Top Quality Visqueen Polyethylene Made in USA For garunteed quality, purchase from the only legitamate MCA poly dealer on amazon. We cannot endorse knock off products. Multi-purpose plastic membrane. 20' x 100' ft. of 6 ML heavy-duty plastic sheeting. For construction & painting jobs, as a vapor, dust or moisture barrier, tarp, concrete cover... + Glazing, drop cloth, outdoor material cover, reinforcing storm windows, & more. Made in USA. Multiple sizes of rolled poly available - Find the best size for the job.