The original Platypus® water reservoir that became a backcountry classic, the Hoser™ is an ultralight, minimalist hydration system that delivers taste-free hydration with a versatile, durable design that makes it great for backpacking, thru-hiking, and day hikes. Updates include a new self-sealing HyFLO™ bite valve that delivers a 30% increase in flow rate, making it quicker and easier to hydrate on the go. Drink on the go: New simple, one-piece, self-sealing HyFLO bite valve makes it quicker and easier than ever to hydrate hands-free with a 30% increased flow rate. Easily transportable: Integrated hang/carry loop makes it easy to secure the reservoir in a backpack or elsewhere. Pure Platy experience: All materials are certified taste-free, BPA-free, BPS-free, and phthalate-free. Funk-free: Embedded silver-ion protects reservoir from mold and bacteria. Versatile: Threaded port and 1/4\" diameter drink tube make it easily compatible with accessory caps and adaptors. Capacity (Standard) - 70 fl. oz Capacity (Metric) - 2.0 liters Weight (Standard) - 3.6 oz Weight (Metric) - 0.10 kg Width (Standard) - 6.0 in Width (Metric) - 15.0 cm Length (Standard) - 16 in Length (Metric) - 40.5 cm Film - Polyurethane / Polyethylene Spout material - Polyethylene Bite valve material - Silicone Country of Origin - Made in the U.S.A. of U.S. and Imported Materials