This WP series absorbent pad is made of polypropylene and is white. Along with meeting the standards for 29 CFR 1910.120(j)1, 29 CFR 1910.1450(e), 29 CFR 1910.22(a)2, 40 CFR 263.30(a), 40 CFR 263.31, 49 CFR 173.3(c)2, this sorbent pad is not wringable, is not flame resistant and has 33 gallons absorbed per package and is designed for use with oil and in the following applications: marine. It measures 19 inch length x 15 inch width.