Poly blend-filled Oil-Only Socks contain and soak up petroleum-based fluids fast while repelling water. Absorb Oils, Repel Water. By selectively absorbing petroleum-based liquids and not water, these Socks take in more oil and can be left on the job longer. They also float for cleanup of waterborne hydrocarbons. Contain and Soak Up Leaks or Spills. 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.