Absorbed Fuels, Hydraulics Oil, Engine oil, Gasoline, Diesel, Kerosene, Vegetable Oil, Crude Oil & Other Oil-based Liquids(No water). Our absorbent pads are bonded ultrasonically with one layer of lint-free spun-bond fabric and one layer of melt-blown polypropylene. Dimpled pattern speeds wicking to quickly soak up oils. Perforated so you save money by using only what you need. Recycle about 80% of oil after fully absorbing it, and reuse it. You can use it on any land or any water surface. Environment Friendly- Burning after using, ash=0.02%.