This indicates the number of threads per square inch

18x20 & 20x20 canopy

The 10' x 12' dimensions provide practical coverage for compact utility vehicles

Its square dimensions provide broad protection for machinery

Black Insulated Poly Tarp 6' x 20' Pop Up Tents This indicates the number of1 4" Thick Insulated Tarp Specifications: Heavy duty insulated poly tarp Finished Size: 6" or 3% allowed tolerance from stated size 3 layers of material 1 4" cell foam insulation sealed between 7oz 12 mil poly tarps Double needle lock stitched hems Rope Reinforced Hem #2 Brass Spur Grommets Spacing (all sides): 24" approx Durable heat welded seams Acid and rot resistant UV resistant Arctic temperature flexibility Made in the USA For custom sizes email