Heavy Duty White Tarp 6 OZ., 24&#39;x36&#39;,HARPSTER TARPS,W24x36" /> Tarp Is Lightweight Yet Durable, Manufactured From High-Density Polyethylene And Woven Into Fabric And Then Laminated On Both Sides Then Finished By Hemming The Edges With Poly Twine Inserted In Hem All seams and hems are heat sealed UV Treated.