Features: Stylish, unique and exquisite. U double zip closure design, for easy access to inside items. Water bottle pocket can be adjusted by the retractile rope depends on the size of your bottle. PE cotton board ensures shock absorption effect to protect inside items. Sliver grey reflective stripe along the two side pockets and on surface of bottle pocket, safer for riding at night. Handle design on the top and long with a shoulder strap make it more convenient to carry. Velcro design at the bottom of the bag for easy to fasten and install.