Bike Rear Seat Pannier Bag

✔ Material -- Made of high quality polyester fabric, water resistant, durable and fashionable. ✔ Size -- Folds: 42 x 15.5 x 25cm, Capacity: about 18L; Unfold: 42 x 15.5 x 52cm, capacity: approx. 33L. You can easily put a 15 inch laptop, bicycle helmet, bicycle tools, clothes and other necessities in it. ✔ Multiple Uses -- This bag can be used not only as a bike carrier bag, but also as a cool shoulder bag or handbag. ✔ Keyring -- The front pocket features a pull-out keychain that allows you to use your key at any time so it will not get lost. ✔ Installation -- Easy installation with 2 straps. Attach the strap to the bike carrier, then connect the strap with the buckle, finally tighten the buckle in the middle of the bag, which can effectively prevent wobbling.