When you need a reliable, compact, durable alternative bottle for carrying water during your active hours, our custom branded 1000ml soft flask comes in handy. The flask is made of 100% food-grade TPU material with 0% BPA and 0% PVC. Easy to use, just give the nozzle a small bite and the contents come shooting at speed into your mouth. The valve auto-seals after each sip. Fits nicely into any hydration vest or backpack. Simply roll it up and carry it in your pocket or bag when empty.