The satchel holder in the front bag is detachable, and has waterproof function, rolled edge design provides more storage space. It uses the classic tube bag frame, which is lightweight and can hold up to 20 kg. The new design adds a cover and uses a zipper to close it, avoiding sun exposure, etc. You can also quickly remove the phone from the pocket on the lid of the bag. Practical, this bag can be carried by hand or on the shoulder or on the bike. You can take your cell phone, computer, wallet and lunch boxes to work. You can also bring your glasses, clothes, gloves, water bottle, food or other tools for traveling. Suitable for Brompton/birdy/Dahang and other folding bikes with pig nose seat. Size: 51 x 8.5 x 13cm. Material: Polyester Fiber+PVC+Polyester Color: Black Package Content: 1 x Bike Front BagOnly the above package content, other products are not included. The measurement allowed error is +/- 1-3cm.