AONIJIE 2pcs Foldable 250mL/500mL TPU Outdoor Sport Water Hydration Bottle Soft

COLLAPSIBLE FLASK: Only 33g (1.16oz) Soft material conforms to any pocket, and shrinks as you drink to reduce movement and pack away easily when empty | | EASY POUR DRINK: With wide neck design, its convenient to pour water into the soft flask wat...