Part# 1.27164.1V -18oz Tarp Material. -Every single part of it manufactured in our facilities. -18oz vinyl covers all trailer. -3 rows of “D” rings with the protection flaps. -100% water proof. Heat-sealed seams supports that very well. -Herms give extra durability to the tarp with the 2” webbing. -Grommets stitched every 2’ all the way around the tarp. -Our sets cover all 48’ or 53’ flatbed and step deck trailers.