Stay hydrated on the go with the HydraPak PocketFlask LX 500ml/17oz. Designed for convenience, this lightweight, collapsible water bottle is easy to store and perfect for outdoor adventures. The high-flow bite valve delivers fast hydration with an auto-seal feature to prevent leaks. Crafted from durable TPU materials with RF-welded seams, this portable flask ensures long-lasting performance for mile after mile.