Brand: RockBros Size: approx. 33.5*20*22cm Brand: RockBros Product type: bicycle luggage bag Closure: zipper Position: rear Compatible with: all mountain bikes Capacity: 9L Material: PU+Polyester Sport/Activity: cycling 9L LARGE CAPACITY - Size: 33.5*20*22cm, MAX 9L storage capacity with 2 inner mesh pockets. This luggage carrier bag has enough capacity to store most of your cycling essentials such as bicycle tire pumps, cable lock, jacket, etc. The elastic drawstring on the luggage carrier bag can also help to tie a lot of things you need. HIGH QUALITY & FULLY WATERPROOF - This luggage carrier bag is made of reinforced PU coated hard shell polyester and is water-repellent, durable, lightweight and easy to clean. Waterproof materials and a waterproof double zipper ensure that your gear stays dry. This bag also comes with a rain cover so you don't have to be afraid of cycling on a rainy day. MULTIFUNCTIONAL BICYCLE BAG - This bike bag can be used as a shoulder bag with the gifted shoulder strap or as a handbag with the hook on the bag. The rear rack bag is not only suitable for cycling, but also can be used as a handbag, mountain bag and shoulder bag for travel, camping, picnic, ski and other occasions. REFLECTIVE STRIPS & TAILLIGHT HOOK - The reflective strips and logo on the rear rack bag increase safety when riding at night. The reflective strips and logo design increases night visibility and the hanger on the strip can hold a taillight (taillights not included), which can also improve cycling safety at night or in low light conditions.