Features 1. 11 liter large capacity: The bicycle bag is used for carrying bags, storing wallets, towels, water bottles, keys, etc. For daily commuting to work, this luggage rack bag is the best choice. 2. Waterproof fabric: The bicycle rack is made of polyester fabric, with a waterproof coating on the surface, which is rainproof, durable, and easy to clean. 3. Reflective design: Riding at night is safer. In order to provide you with a safer night driving experience, the bicycle rack has a large area of reflective coating, which can improve night visibility. At the same time, the bicycle carrier bag is equipped with a reflective strip at the back, which can be hung with taillights (not included) to ensure greater safety at night. 4. Multifunctional: The bicycle bag holder brings flexibility to your daily life, as it is a bag, handbag, and shoulder bag at the same time. 5. Easy to assemble: Widely applicable, assembly does not require any tools. Four adjustable nylon buckle straps are sufficient to securely secure the bicycle rack bag to the rear seat. The inner bag has added a bottom plate, making the bag more stable. Even on uneven roads, it will not shake. These bicycle luggage racks are suitable for most bicycle frames, such as mountain bikes, road bikes, and electric bikes. Specification Material: Dacron Color: Black Size: 37 x 17 x 16 cm Weight: 500 g Package Include: 1x Shelf bag