This WRB series absorbent roll is made of polypropylene and is white. Along with meeting the standards for 29 CFR and 49 CFR, this sorbent roll features abrasion resistance, absorbs leaks, spills, and overspray, for medium-duty industrial, maintenance, and general applications, is not wringable, is not flame resistant and has 59 gallons absorbed per package and is designed for use with oil and in the following applications: oil-only. It measures 300 feet length x 30 inch width.