This coffee carafe has a capacity of 34 Oz10L Tiken vacuum insulation technology locks in temperature to preserve flavour and freshness that keeps the temperature above 1508F at 12 hrs assuming a starting temperature of 203F a room temperature of 68 F and water left untouched throughout the duration of the test Pls note test results will vary depending on beverage starting temperature and how full the carafe is Our double walled coffee maker thermal carafe is made up of a durable 188 304 stainless steel interior and exterior features a nonslip silicone base It is durable reusable easy to clean and ideal for home or office Groove spout and inner dual silicon rings are available which avoid leaking when pouring water Our leakproof lid is designed with a new insulated and airtight construction always locks in the correct place when closing Even with a slight tilt the thermal carafe pitcher will not leak one single drip Our thermal coffee carafe uses a Pressdown openingclosing mechanism Pouring easily with push button ease making onehanded pouring of the carafe simple We are so confident for its quality Preheat or precool before use the effect is better If there is any problem please contact us as soon as possible and we will offer a satisfied aftersales service within 24 hours