14 oz. double-wall vacuum construction with copper insulation. Dark Blue powder coat with etched "FAA" on 1 side only. Keeps drinks hot for 8 hours and cold for 24 hours. The construction also prevents condensation on the outside of the tumbler. Compact design fits easily under most single cup or K-cup coffee makers as well as in all standard cup holders. Easy sipping, push-on lid with slide closure. Wide opening for comfortable filling and pouring.