describeLARGE CAPACITY: This bag includes a main compartment, 2 side pockets and a back pocket with a large 13L capacity, enough to keep your essentials organized. Internal patch pockets allow for efficient use of space. Better Visibility and Safety: Reflective strips increase nighttime visibility, and hangers on the strips can secure taillights and also improve nighttime riding safety. EASY INSTALLATION: Fastening straps for easy and quick installation Suitable for all types of rear seat bikes such as mountain bikes, road bikes, etc. MULTIPLE FUNCTIONALITY: With handles and adjustable shoulder straps, the bag can be used as both a tote and a shoulder bag. GOOD PROTECTION: The straps on the top of the elastic bag help to hold the water bottle, clothes or map securely on the bag. High-quality polyester material construction, strong construction and PE cotton padding, provide total protection for your belongings. Double zipper closure for easy access to items.Size: 40*16*21cmWeight: 0.5kgCapacity: 13lPackage List One PieceCategory: Bike Bags & Piggybacks