ASOBU® Cold Brew Insulated Portable Brewer is an innovative brewing method combining coarse coffee grounds, cold water and a long steeping time. The resulting coffee is delicious and versatile and can be enjoyed anywhere cold or hot. Copper Insulated Steel Brewing Carafe keeps your coffee concentrate cold up to 24 hrs. Clear TRITAN™ Brewing Carafe that is durable and BPA Free. 100% leak proof lids. At the push of a button, transfer the slow steeped coffee from the brewer into the serving carafe easily and cleanly! Portable and lightweight, great for people on the go to carry the carafe in car, to the office and even in the park. Size is 40 oz./450 ml.