Why Choose Multifunctional Reflective Tote Bag?The large reflective surface on the back increases your visibility and ensures your safety when riding at night.2. Waterproof, solid and durable 600D Oxford fabric can effectively prevent rainwater from entering the bag.3. The large capacity of up to 8 liters allows you to carry jackets, car repair tools, tire pumps, power banks, water bottles, etc. while riding.Large area reflective and night riding safety --- This bike rack bag is equipped with a large area reflective surface to improve night visibility. Used together with the rear tail light strip (not included), it can provide a safer night riding environment for the cyclist.Premium Rainproof Material --- Made of 600D Oxford cloth, PU coated, rainproof and easy to clean. A special waterproof zipper keeps the rain out. Exquisite workmanship, strong and durable.8L LARGE CAPACITY AND CONVENIENT ORGANIZER --- Includes a main compartment, two side pockets, a top zipper pocket and two inner mesh pockets to keep your essentials organized. The size is 38*16*16cm, big enough to store wallets, mobile phones, towels, small tools, outdoor supplies, water bottles, cards, food, etc.MULTI-FUNCTIONAL, MULTI-PURPOSE --- Not only can it be used as a bike rack bag, it can also be used as a stylish commuter chest bag after taking out and attaching the hidden shoulder straps. Plus, the handy handle strap makes it a handbag.Easy to install without tools --- This bike saddle bag is equipped with 4 adjustable velcro fasteners, which can be easily installed and removed in seconds, suitable for most bicycle racks, such as mountain bike, road car etc.