Allwik universal gray pillow with absorbency of oil and water-based fluids. Dark spun bond outer covering pillow is ideal for absorbing spills and leaking fluids in tight spaces. Pillow is filled with gray polypropylene and finds its application in overspray leaks/drips, drums - liquid storage and drains. - Allwik pillows feature a dark spunbond outer covering filled with gray polypropylene. Versatile - for use with all oil and water-based fluids.