16 oz. / 0.48 literHeat retention: 189 Degree at 1 hr. / 160 Degree at 6 hrs.Cold retention: 46 Degree at 6 hrs.Safety lock to prevent the lid from opening accidentallyMade of BPA-free plastic and stainless steelFive year warranty on heat retention(190°F @ 1 hr. / 163°F @ 6 hrs.)