The future of water bottles is here. Other bottles are made entirely of petroleum but this one is made from plants! They feel the same and hold water the same but are more sustainable. Fits 600ml of water, or around 2.5 cups. Versatile size: 600ml volume fits most bike bottle-cages Environmentally friendly: BPA-free (obviously) Every water bottle is made with certified carbon negative bio-plastic. The sugar cane we use to make them absorbs carbon dioxide, reducing CO2 in the atmosphere.