Oil Dri L90891 Haz Mat Socks (3"Dia x 4'L, 12 Socks/Box) are filled with highly absorbent meltblown polypropylene inside a durable spunbond sleeve designed to absorb caustic fluids without breaking down. Can be used on all liquids including acids, bases and unknown liquids, and yellow color allows for easy identification as hazardous material during spill response and disposal. Absorbs fluids while preventing them from spreading out onto shop floors and working area's. Each sock can absorb up to one gallon of fluid.