Twistshake's thermos for children and adults keeps beverages hot or cold for up to 10 hours. It's the perfect size to take with you on a picnic or a day out in the city, and it fits perfectly in a diaper bag or a stroller cup holder. ♥︎ Keeps the temperature for up to 10 hours ♥︎ Small and easy to take on a picnic ♥︎ Use two to quickly mix the formula ♥︎ Premium matte feel ♥︎ Holds 420 ml