Perfect for the times you need to carry your gear with you but don't want a permanent rear carrier rack. This 100% waterproof, tear resistant saddle bag has a volume of about 11 liters. The dimensions are approximately 53 x 13 x 15 cm. It's the perfect way to carry a large quantity of items without needing to install a permanent rear rack. You don't have to worry about taking up all your seat post space. There is a fixing loop on the back of the bag to attach a rear light so you're as safe as possible when riding on the road or at night.