MCA, Plastic Poly Sheeting 20 Feet X 100 Feet, True 6 Mil, Transparent/White, Incredibly Durable, Top Visqueen Plastic Sheeting Polyethylene 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.