The Platypus Meta Bottle is the perfect water bottle for your days spent in the city or in the backcountry. It has a flexible, space-saving design that makes the bottle compact when it's empty, saving precious space in your backpack. Additionally, each half of the Meta Bottle can work independently, meaning you can use the top half as mug while the lower half can be used as a drinking cup, simplifying your camping mess kit. Cleaning and airing the Meta Bottle is super easy, since you can simply unscrew the bottle in half for easy scrubbing and drying. Best of all, the Meta Bottle can be used in conjunction with a microfilter, giving you a safe water filtration and storage system. BPA-free, BPS-free, and phthalate-free taste-free materials. Bottle has a 1.0-liter (33.8 fl. oz.) capacity and is available in multiple colors.