The schoolbag rack in the front bag is detachable,And has waterproof function,Rolled edge design provides more storage space. It use the classic tube bag frame, light weight and can support up to 20kg. New design adds a cover and uses a zipper to close it, avoiding exposure, etc. You can also quickly take the phone from the pocket on bag cover. Convenient, This bag can be carried by hand or shoulders or bike. You could take your mobile phone, computer, wallet and lunch boxes to work. You can also bring your glasses, clothes, gloves, water bottle, food or other tools to travel. Suitable for /birdy/ and other folding bikes with pig nose . size:51x8.5x13cm Material:Polyester Fiber+PVC+Polyester colour:black Package Contents: 1 * Bicycle Front Bag Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.