SpillTech universal corncob sock. It tackle tough jobs and provide an affordable alternative to messy clay. These economical and highly efficient socks can tackle even the toughest jobs. With a tough polypropylene skin and finely ground corn cob filler, these socks absorb 1/2 gallon of oil, coolants, solvents and water, nearly twice as much as clay, but without the dust or the mess to clean up afterward. Plus they are incinerable. Unlike clay, you wont need a shovel for this cleanup. They are also approved by the U.S Department of Agricultures (USDA) BioPreferred program, a federal purchasing program for biobased products. Ideal for surrounding spilled fluids or wrapping around leaky machines. Easy and convenient to put into place. Contain spills to keep fluids from spreading into larger areas and becoming slippery hazards. Flexible to conform around machine bases and offer a snug fit with no seepage. Color-coding helps you visually identify the right sorbent for your needs. Gray signifies universal sorbency. Composition: corn cob filler/polypropylene sleeve. Absorbency: up to 20 gallons per package. Absorbency per: up to 0.5 gallons per sock. Incinerable. Gray color. Measures 3-inches diameter by 42-inches length.