Product Features:1.Bag size: 32*17*11cm 4.0L2. Velcro for easy installation3. Top wide elestric strip to hold map display4. the roof panel oak muscle rope design， may lay aside the map;5.2.0mm thickness PE board; Front the net sack design， may lay aside the towel;6.The both sides reflection rolls the strip; Weaves the belt type to design7.Water resistant polyester.8.Additional Zipper pocket in both sides.9.Easy to attach to your handle bar.10.Safety reflection binding both sides.11.Detachable shoulder strip