12'x20' Canvas Tarp 21 oz color:Olivedrab Iron Sleek Brackets can help

Iron Sleek Brackets can help prevent the boards from bending

Tarp Tape UV Resistant and Waterproof

The perimeter of the tarp is double hemmed with heavy duty brass grommets embedded into the material

16 oz Per Square Yard - Heavy-Duty Thread Gage 10 oz before treatment

® movie screens come in a variety of sizes to meet your needs

12'x20' Canvas Tarp 21 oz color:Olivedrab Iron Sleek Brackets can helpTarp Supply Inc.'s Heavy Duty 21 oz Canvas Tarp is the strongest canvas tarp that we offer. It is thus heavier than the 16 oz (colors available: green, mustard tan, brown, olive drab) and 18 oz canvas tarps (colors available: mustard tan and olive drab). Treated canvas is designed for outdoor use as the treatment gives off an odor and may leave stains residue including when used in direct contact with other products. Specifications 100% woven duck