OILINATOR® UNIVERSAL LARGE 15” X 18” UNIVERSAL SURFACE PROTECTOR® is ultra-high capacity, reusable, and rapidly absorbs 1/2 GALLON and more of oily AND water-based leaks, spills & messes including diesel, jet, gasoline, hydraulic, trans fluid, solvents, pesticides, bleach, coolant, cooking oil, paint, body fluids and more. The fourth layer on the bottom is made from heavy duty flexible plastic sheeting to stop stray oil from breaking out and staining or contaminating flooring, work surfaces of all kinds, driveways, pavement, and bare ground. It has an opening at one end so gravel, sand etc. can be placed inside to keep it in place in windy or rainy weather. A handy leash makes retrieval easy from under vehicles, machinery, etc. Non-toxic and won’t harm the environment.