60' x 120' Canvas Tarp 21 oz old_id-flame-retardant-canvas-tarp-12x20 it will gradually seep through

it will gradually seep through

Silicon treated for water

Dual rear air vents with built-in stiffeners reduce wind pressure during storms and allow inside moisture to escape

® is the first to introduce polyester canvas tarps to the market

beam width to 90" Strong 300 denier DryGuard fabric with waterproof lamination

60' x 120' Canvas Tarp 21 oz old_id-flame-retardant-canvas-tarp-12x20 it will gradually seep throughTarp 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