A. The combination of polyester fiber and polyvinyl chloride materials can resist external factors such as rain and collisions to some extent. B. The elastic band at the top of the bag can fasten clothes or maps to the bag. C. The reflective strips can improve visibility at night. A taillight can be installed to enhance safety during night cycling. D. It is equipped with a handle and a water bottle storage bag, enabling you to take out the water bottle from the bike bag. This bike rack bag can also be used as a handbag or a shoulder bag. E. It has relatively high wear - resistance and durability. F. Dimensions: 30 x 17 x 12 cm G. Weight: 249 grams H. Capacity: Approximately 4 liters I. Color: Black J. Materials: Polyester fiber + Polyvinyl chloride + Polyurethane K. Package contents: - 1 bike bag - 1 rain cover L. Only the above package contents are included, and no other products are provided. M. Note: Light and different displays may cause slight color differences between the items in the pictures and the actual products. A measurement error of +/- 1 - 3 cm is allowed.