Swasey’s Green Vinyl Tarps are comprised of 18-ounce, 20 mil laminated Vinyl fabric that is not only tear resistant but also waterproof and UV resistant. Vinyl Tarps are all stitched with heat sealed seams and rope reinforced edges for long-lasting, superb quality. Each tarp is fabricated using 18-ounce, 20 mil thick, vinyl materials and are full-finished size. Please Note: ** Vinyl Tarps are made to order and take up to 15-25 business days before shipping to construct. Vinyl tarps are not returnable or order cannot be canceled once it is placed.