Get better flow by design with the 17 oz Bivo Trio Mini built to fit in small bike geometry and to keep your H2O ice cold for hours. Leveraging ex-NASA engineering experience Bivo methodically developed their bottles to achieve an unmatched flow-rate without the need to squeeze. The result is a smooth consistent and enjoyable drinking experience designed for cyclists. And with top class insulation you can count on 12 hours of chill.