The Platypus MetaBottle 1L. A flexible, Packable Water Bottle. A water bottle that adapts with you whether it’s the flexible, space-saving and packable design, the ease of disassembly for full cleaning, or the ability to add a backcountry-ready filter, the Meta Bottle is a water bottle that adapts to meet your unique everyday hydration needs from the city to the trail. Platypus MetaBottle 1L Features Simple to clean: Unscrew bottle halves for easy cleaning; both halves are dishwasher safe (top rack only). Packable + Tough: Bottle can be compacted down to half its size, making it convenient to pack. Top half of bottle is impact resistant; flexible lower half is unbreakable. Great drinking experience: Taste-free material ensures unwanted tastes won’t ruin water freshness. Leak-proof cap opens with easy half turn; fits most ice cubes. Filter-ready: Microfilter* can be purchased separately and used with any size Meta Bottle, turning it into a backcountry-ready water filter. Convertible: Top half can be used on its own as a mug while the lower half can be used separately as a drinking cup. BPA-, BPS-, and phthalate-free. Flexible cap lanyard makes it easy to carry & secure bottle.