The tightest weave 28/24 mesh (USP III - 52 yarns/inch) of cotton gauze makes the best wiper when fully unfolded. This ?premium? grade of cheesecloth has the most weight, produces less snags and fewer loose threads, and provides the most surface area to collect dirt. Bond uses only US Pharmacopoea (USP) medical-grade gauze. Flat-stacked 100 pieces in a poly bag. Cut Bulk pieces are 36 inches folded to 4-ply, 9 inch width by 18 inch cut length. Cut Bulk is an economical alternative to individually bagged pieces. A variety of proprietary tack treatment formulas is available. Choose from Bond's GOLD STANDARD, GOLD LESS TACKY and WHITE STANDARD -- all at the same price. Inquire about custom-cut piece lengths of 12 to 72 inches, customized tack treatments, volume or contract pricing, and many other options.