435567 Brand: ROSWHEEL Model: 13656-B Quantity: 1 Color: Black + Blue Material: 600D Polyester + PVC Functions: The tail of the bag can hold light， with the glow-in-the-dark logo， supplies double assurance; Safe for night cycling Best Use: Multisport Gender: Unisex Waterproof: No Capacity: 1.3 L Packing List: 1 x Tail bag