This UV Resistant series absorbent mat pad is made of polypropylene and is white. Along with meeting the standards for 29 CFR 1910.22(a)2, 40 CFR 112.7, 40 CFR 122.26, this sorbent pad absorbs oils not water, withstands direct sun for up to a year without disintegrating is flame resistant and has 22 gallons absorbed per package and is designed for use with oil only and in the following applications: outdoor. It measures 20 inch length x 16 inch width.