Borosil VCST210 Vision Classic Small Tumbler (Set of 6), 7 oz (195ml), Glass Made of 100% Borosilicate Glass; Thin walled and lightweight construction 100% flameproof - easily moves from freezer/fridge to stovetop/microwave/oven and back again Dishwasher proof - won't turn milky or cloudy with repeated use Non porous glass - won't absorb stains or odor 195ml/7oz; Temperature range -40F to 660F