30'x 30' Heavy Duty 12 By 12 Cross Weave 8 Mil Green/Silver Poly Tarp with Grommets Approx Every 18 Inches All Around, Corner Solid Plastic Bar Reinforcement for Extra Strength Finished Size is 3-5% or up to 10 inches less after edges are hemmed 6.0 oz. Per Square Yrd. - 8 Mil. Thick - 12x12 mesh count UV treated on both sides for superior sunlight protection Water Proof and Rot Resistant Aluminum grommets every 24 inches