The bag holder in the front pocket is detachable and waterproof, and the rolled edge design provides more storage space. It has a classic tube bag frame and is lightweight and can hold up to 20kg. The new design adds a lid and uses a zipper to close it, keeping it out of sunlight, etc. You can also quickly remove your phone from the pocket on the lid. Conveniently, this bag can be carried by hand or on the shoulder or on a bicycle. You can bring your phone, computer, wallet and lunch box to work. You can also travel with your glasses, clothes, gloves, water bottle, food or other tools. Suitable for Brompton/birdy/Dahang and other folding bikes with pig nose seat. Size: 51x8.5x13cm Material: polyester fiber+PVC+polyester Color: Black Package Contents: 1 *Bike Front Pack only the above package contents, excluding other products. Note: Light shooting and different monitors may cause the color of the item in the picture to be slightly different from the actual item. Measurement tolerance is +/- 1-3 cm.