Polypropylene socks are ideal for oil spill control, skimming oil off water, and for oil spill cleanup. Poly socks remove oil from troughs, vats, catch basins and sumps. They can be used indoors or out and will not absorb water. Absorbs oil from water around leaking machines exposed to rain and various other oil/water seperation applications. Polypropylene socks are wringable for reclaiming liquids.