Crank our one time.With dimpled,white,economical yet effective.These oil absorbent mats are made from meltblown polypropylene fine fibers.Increasing of tensile strength.They are reused,fast absorb,for use with oil and petroleum based fluids.Containment and clearing up of oil spills in ocean,river,lake,shipping terminal,crude storage.Be used for cover and scatter or pave the spill oil on floor and water.Best-fit for manufacturing floor