Material: 100% polypropylene. > Standard color : White. > Function: Absort oil only while repelling water.Absorb oil or oil-based liquid only,engine oil,hydraulic oil,gasoline,diesel,keroseneâ?¦ect. > Suitable: Apply to land,water surface. > Characteristic : *After fully absorbing,keep floating always. *Recycle about 80% oil after fully absorbing,and reuse it. *Burning after using,ashâ?¤0.02%. *It has strong oil absorption capacity. > Our types has standard type, dimpled type, perforated type. The most common size is 40 cm *50 cm. The thickness is 2 mm, 3 mm, 4 mm, 5 mm...ect.