Designed for use with our Flow Gel, the Flow Flask make it easy to track your carb intake and hit your numbers. We tested every bottle and flask we could get our hands on to find those with the best flow. The PF&H Flow Flask 300 can hold a full pouch of flow gel (that's 300g of carb in one flask). Key Features: Weighs only 29 grams! Fast-flow bite valve that's easy on your teeth Graduated scale from 60 - 300 grams of carb (in 60g increments), so you can easily track your carb intake Shrinks while you drink to eliminate 'sloshing' Fill marks so you can easily mix up drinks to your needs BPA/PVC free, will not taint taste Can be compressed down for easy storage Capacity: 500ml Closure: Regular Bite Valve Screw-In Lid Material: BPA/PVC Free TPU Bottle
