Plastic vacuum thermos,black base,non-leaching &toxic-free,lightness & poratable,PP body,glass liner This vacuum flask ... liquids hot/cool hours;5.PP body,glass liner vacuum,long time heat preventation;6.Heat ... re-usable & Durable;Info. of Plastic hot thermos: ItemNo.Desc.CapacityQty/CtnMeas/CtnG.W/N. ... hesitate to contact. Vacuum flask&thermos with 2 cups,PP body,glass liner