Fill the HydraPak SoftFlask 150ml Reusable Nutrition Flask with your favorite nutrient-rich concoction to help you go the distance without running out of energy. This smaller-sized flask holds up to four servings of energy gels and will slide into your pockets, waist packs, and even belts or PFDs. The soft silicone nozzle is designed to dispense gels and liquids with a variety of consistencies, making fueling for long distances convenient and less wasteful. The easy one-hand open cap protects the bite nozzle from dirt and debris. This flask will also collapse down to almost nothing when empty, making it easy to pack out.