Grower?s Edge? Heavy Duty Tarps are designed for indoor/outdoor all-weather use. Heavy duty 10 mil/5.5 oz. thickness. The Grower?s Edge? Tarps feature a 2% UVI sun protection treatment and strong 14 x 14 inch cross weaves for superior strength and durability. These tarps come with brown color on the top and silver on the back. Roped hem and polycarbonate grommets at 3 ft intervals all around the outside edges with plastic reinforced corners for easy tie-down. Every tarp is washable, reusable and recyclable.