"Industrial-grade single-filled cotton duck tarp is treated to resist water and mildew. Breathable canvas allows moisture to evaporate. Perfect for covering machinery, farm equipment, tractors, building materials, lumber, steel and other supplies year-round. U.S.A. Material Thickness oz. per Sq. yd. 12, Dimensions L x W ft. 16 x 24, Grommet Material Brass, Color Mustard Yellow, Material Type Cotton duck, Water Resistant Yes, Grommet Spacing ft. 2-3, Mildew Resistant Yes. 12-oz. per sq. yard single-filled cotton duck canvas Fabric is treated to resist water and mildew Double-stitched seams Lock stitched hems Reinforced corners to resist tearing Rustproof reinforced brass grommets every 2-3 feet to help secure tarp Biodegradable and environmentally friendly"