BluDri GTRP1515 Grizzly Tarps 15 x 15 Feet Blue Multi Purpose Waterproof Poly Tarp Cover 5 Mil Thick 8 x 8 Weave True 8x8 weave 5 mil thick waterproof tarp Lighweight washable and mildew proof with rope in hem Woven and laminated polyethlene with heat sealed seams Supplied with built in grommets every 36" to allow for secure tie downs Can be used as protection for boats, cars or motor vehicles, providing shelter from the elements, ie., wind, rain or sunlight for campers, as an emergency roof patch material for homeowners, as a temporary pickup truck bed cover, and for a ground or drop sheet.