Product Attributes: Waterproof with sealed seams.TPU protective coating. Adjustable shoulder straps. Dimensions: H: 51.5cm, Width: 23cm, Capacity: 15 Litres. Roll-top closure to keep the water out. Roll the top closure tightly 3 times; not designed to be submerged or sit in water for long periods of time. Main 100% PET. Lining 100% TPU.