Built to keep you hydrated and focused on the road. The Hydration 3L is a BPA free water bladder with a quick-release insulated hose. Hydration Bladder Specifications Volume: 3L/0.79gal Capacity Tube length: 98cm Quick-release hose Insulated hose Soft freeflow mouth valve No leakage secure closure Direction to use valve: To open, twist and pull counterclockwise To close, push and twist clockwise. Keep the valve closed when not in use IMPORTANT! Please read To keep this reservoir clean, inhibit contamination and prevent bacteria growth, clean with mild detergent and rinse the reservoir thoroughly. Make sure it is completely dry, inside and out, before storing. Avoid contact with extreme heat/cold, harsh chemicals, UV light, and sharp objects, these elements will damage the reservoir.