This bicycle bag with 25L capacity is very spacious to hold your stuffs when you're riding. It is waterproof and easy to install, perfect for long-distance riding. It also can be used as a shoulder bag and handbag when unmounted from your bike. Features: 25 liters large capacity for long distance riding. 1000D polyester material with PVC coating. Waterproof and sealed seams. Quick release attachment system. Reflective tapes for safe riding at night. Soft rubber carry handle and removable shoulder strap. Specifications: Material: Polyester & PVC Color: Black / Black & Green (optional) Capacity: 25L Dimension: 29 * 15.5 * 45cm / 11.4 * 6.1 * 17.7in Weight: 1050g / 2.3lb Package List: 1 * Rear Rack Bag