OILINATOR® UNIVERSAL EXTRA LARGE 30” X 36” UNIVERSAL SURFACE & GROUND PROTECTOR® is ultra-high capacity, reusable, absorbs TWO Gallons & more of oils, fuels, other petroleum based fluids AND water-based leaks, spills and messes including coolant, pesticides, bleach, cooking oil, paint, bodily fluids and much more . The fourth layer on the bottom side is made from heavy duty flexible plastic sheeting to stop any stray oil from breaking out and staining or contaminating flooring, work surfaces of all kinds, driveways, other pavement, bare ground, and also has an opening at one end so gravel, sand etc. can be placed inside to keep it in place in windy or rainy weather. Folds into 20”x 20” re-closable plastic bag. A handy leash makes retrieval easy from under vehicles, machinery, etc. Green product -Proudly made using recycled materials. Non-toxic and won’t harm the environment.