Perfect for travelling; taking to the beach or on short holidays and it can fold snugly away in your backpack when you re not using it. Sealed Dry Tube Dimensions, Height 24-cm 9.5-Inch, Diameter 19-cm 7.5-Inch, Circumference 58.5-cm 23-Inch, Capacity 300 cubic-Inch 5-Liters, Weight 0.34-kg