Use seamless welded technology, tarpaulin material and roll up design enables 100% waterproof. 22L capacity, Build in removable laptop bag, fits max 15 inch laptop. With mesh bottle bag at two sides.

Multifunctional, can be used as bike pannier bag/commuter backpack/shoulder bag. Shoulder straps are hidden in the back bag which could be attached with rear rack. Open bottom zipper compartment, there is a helmet mesh bag inside.

Convenient and firm installation, fits max 18mm rack tube, secure on the rack with two sturdy rubber hooks and webbing. Bottom anti fabric, more wear-resisting. Tail light hang hook, it’s safe to ride at night.

Setting a air valve at the right, its easy to put in/out.

Attach with trolley case for business trips or commute outgoing.