The multi-award winning Frank Green SmartCup isn't just stylish and functional, its clever too. The one handed push button operation open and closes the spill resistant lid and its drinking hole has been designed for optimum liquid flow. The colourful, double walled, thermo plastic outer layer will keep your coffee hot and your hands cool. The SmartCup is also the first CafePay enabled device that allows you to pay for your coffee with your cup. Simply tap the lid on the CafePay reader at at any participating coffee shop to pay for your coffee.