The Stojo® Biggie cup is ultra-portable, leak-proof, collapsible, & reusable. Designed by coffee lovers, it's a convenient alternative to bulky travel mugs & better for the environment than disposable cups. Suitable for every situation! Take Stojo® to the office, airport, gym, or park. Perfect for hiking, skiing, snowboarding & camping too! Once you've finished your drink, just collapse, seal, stow & go! Measures 2" thick when collapsed, and comes with a reusable straw for splash-proof sipping.