About this article LARGE RANGE: This bag features one main compartment, 2 side pockets and one back pocket, 25L large capacity, enough to keep your essentials organized. Internal patch pockets save space. High visibility and safety: reflective strips increase visibility at night, hooks on reflective strips can fix taillights and also improve safety night riding. EASY INSTALLATION: The straps can be easily and quickly installed on all types of rear seat bikes such as mountain bikes, road bikes, etc. MULTIFUNCTIONAL: With handles and adjustable shoulder straps, the bag can also be used as a tote and shoulder bag. GOOD PROTECTION: The elastic band at the top of the bag helps keep bottles in water, clothes or maps safely. High quality polyester construction, heavy duty construction and PE cotton padding provide full protection for your belongings. Double zipper for easy transport.