Abstract: A convenient liquid storage and dispensing device for the purpose of providing hydration to those engaged in activities where accessing a traditional beverage container would be inconvenient or disruptive. The device can be made from a variety of flexible, liquid impermeable materials and can be manufactured in various sizes and volumes to accommodate the needs of the user. The device includes a reservoir for holding a liquid and a straw for accessing the liquid contained in the reservoir. The device also has a protective slide mechanism that hides and protects the straw from the environment when the device is not in use. The device is further adapted to be fastened around various objects, including a user's wrist.