Expandable Bike Rear Seats Bag Bicycle Riding Storage Bag Large Capacity Bicycle Rack Seats Bags Travel Luggage Handbag Multifunctional Cycle Bag Shoulder Bag Large capacity bicycles back seats bag, spacious to hold carryings for short and long distance Cycle. Features: Make full use of the bike backseat space, whether it's daily commuting or Cycle outings, to solve the problem of inconvenient storage for your bicycle travel. 13-25L large capacity, meeting the needs of daily travel storage, can store Cycle goods. It can be installed on a bicycle, can also be carried on shoulder or handheld. It can be used in various ways and can be changed at will. Easy to install and remove, and stable in use. Rear reflective painting enhances alertness at night. Built in hard lining, it is neat and stylish, keeping the exterior of the bag ThreeDimensional and more beautiful. Large opening for easy storage of various items. Specifications: Color: black Capacity: 13-25L Material: oxford cloth+EVA Expand size: 470 * 420 * 220mm / 18.5 * 16.5 * 8.7in Unexpand size: 400 * 210 * 220mm / 15.7 * 8.3 * 8.7in Package size: 490 * 270 * 70mm / 19.3 * 10.6 * 2.8in Package weight: 1190g / 2.6lb Packing List: 1 * Cycle Bag