Features1LARGE CAPACITY: This bag includes a main compartment, 8L large capacity, enough space to keep your essentials well organized. The lateral patch pocket makes the space effectively used. 2HIGHER VISIBILITY AND SAFETY: The large reflective logo pattern increases nighttime visibility and the hanger on the strip can hold a taillight which can also enhance Cycle safety at night. 3EASY INSTALLATION: Fastener strap for easy and quick installation on all types of bicycles with a rear seat, such as mountain bike, road bike, etc. 4GOOD conservation: The elastic band on the top of the bag can help to keep your water bottle, clothes or maps securely on the bag. High quality polyester material construction with solid structure and waterproof filler provides your items with full conservation.SpecificationThis bike storage bag provides large space for your items, helpful riding essentials for any cyclist. Features: LARGE CAPACITY: This bag includes a main compartment, 8L large capacity, enough space to keep your essentials well organized. The lateral patch pocket makes the space effectively used. HIGHER VISIBILITY AND SAFETY: The large reflective logo pattern increases nighttime visibility and the hanger on the strip can hold a taillight which can also enhance Cycle safety at night. EASY INSTALLATION: Fastener strap for easy and quick installation on all types of bicycles with a rear seat, such as mountain bike, road bike, etc. GOOD conservation: The elastic band on the top of the bag can help to keep your water bottle, clothes or maps securely on the bag. High quality polyester material construction with solid structure and waterproof filler provides your items with full conservation. Specification:Material: Tear-resistant Polyester Capacity: 8L / 10L (Optional) Dimensions: 35 * 11.5 * 4.5cm / 14 * 4.5 * 1.8in Item Weight: 380g / 13.4oz Package Size: 20 * 20 * 10cm / 15.94 * 7.87 * 6.5in Package Weight: 380g / 13.4oz Package List:1 * Cycle BagPackage List1 * Cycle Bag