OIL561 is an oil sorbent soc, filled with oil only meltblown polypropylene that absorbs oil and petroleum based liquids. Will not absorb water or water-based solutions. The ultimate soc for flexibility : cut the soc into the length you want and re-clip. No need to stock multiple lengths. Strong wicking action : absorption begins instantly after contact with the spilled liquid, no need to turn the soc. Flexible design allows the soc to fit around any machine, corner or curve. The ideal sorbent for containing and absorbing leaks and spills around machines.