Looking to fill your daily need for caffeine or liquid in general? 20oz Tumbler is simple to fill by popping the clear sliding lid off and pouring straight in this 20 oz (592 ml) tumbler will keep your drinks cold or hot for hours, That is if you don’t finish the contents quickly! Double-walled and insulated these skinny tumblers have proven to be popular world round thanks to the perfect size to fit in car console cup holders and the tight lid with a staw included