The Life is Good Start Me Up Stack-Happy Mug Ivory and Turquoise Blue Plaid is the perfect way to start your day on a positive note. Stacking mugs hold 14 oz. of hot or cold liquid and are made of stoneware that's both microwave- and dishwasher-safe. The fun plaid pattern makes the mug easy to identify so you never misplace your cup o joe. Buy one for yourself and more for friends so they, too, can start their days off right!