Rags are standard sized, and are pre washed preshrunkfrom “x” to “x” for your convenience, these towels are made of cotton osnaburg fabric and are .Shop Towels and Shop Rags. Buy in bulk and save. For all your shop towel needs, shop the Raglady..Bulk Shop Rags from ERC Wiping. Wholesale low cost cotton shop rags, absorbent cotton wiping cloths. Available in red shop or white. In Stock. Ready to Ship.Shop Rags Wholesale Shop Rags Wholesale Shop Rags.