Oil Only absorbents pick up petroleum-based fluids, paints and non-water soluble chemicals while repelling water - great for indoor & outdoor use. Designed for use in tight spaces, under valves or under machinery lifted off the floor, pillows provide the greatest absorbency per square inch. White absorbents pick up petroleum-based fluids, paints and non-water soluble chemicals while repelling water - great for indoor & outdoor use. Oil Only absorbents are unaffected by temperature and impervious to rot and mildew. Floats indefinitely even when saturated with oil.