This stylish and spacious bike trunk bag is not just a rack bag. It can be carried on the shoulder or by hand, making it a versatile accessory for your cycle adventures and daily needs. The bag features a reflective design at the rear for improved visibility and safety during night rides. Made from durable and waterproof PU leather and polyester, this bike luggage bag is built to last. Easy to install, this bicycle trunk bag fits easily onto your bike's rack. The bag comes with a shoulder strap, allowing it to be used as a regular bag when not cycling.