This bag is 100% waterproof and has a lifetime warranty.
It has a firm base so it provides support with out a rack. It bag also features external compression straps that can be used to attach more luggage, and has an air tight roll closure to ensure goods are kept dry. For safety there is hi-visibility strips on the front and the sides of the bag.
Securely mounts with heavy duty quick release aluminium cam buckles and nylon webbing, and can go either across or along the bike.
L 51cm W 25.5cm H 30.5cm