18'x18' Canvas Tarp 21 oz color:Olivedrab 6"-9" or 3-5% smaller than

6"-9" or 3-5% smaller than the listed size after the edges are folded over and hemmed

Treated canvas is designed for outdoor use as the treatment gives off an odor and may leave stains/residue

Project Helper canvas drop clothes are high quality and super duty at 11-12oz per square yard

Flame Retardant Canvas Tarp 16 oz 10 oz before treatment

The correct brackets are critical to rink longevity

18'x18' Canvas Tarp 21 oz color:Olivedrab 6"-9" or 3-5% smaller thanTarp 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