12 oz. / 0.36 literHeat retention: 187 Degree at 1 hr. / 153 Degree at 6 hrs.Cold retention: 48 Degree at 6 hrs.Safety lock to prevent the lid from opening accidentallyMade of BPA-free plastic and stainless steel5 year warranty on heat retention(187°F @ 1 hr. / 153°F @ 6 hrs.)