Circular Cup is the world's first reusable travel mug made from recycled coffee cups. Each Circular Cup is made from 6 single use, disposable cups that are recycled, given new life as Circular Cups and kept out of our waterways. This sustainable travel mug is 100% leakproof, providing peace of mind while you're on the go. Designed for 10 years use, Circular Cup's unique push lid mechanism minimizes spills and has one-hand opening. 100% recyclable. 360 degree drinking lid.