The satchel holder in the front bag is detachable and features a waterproof design. The rolled edge construction provides additional storage space. It uses a classic tube bag frame that is lightweight and capable of holding up to 20 kg. The updated design includes a protective cover with a zippered closure to shield contents from sun exposure and other environmental factors. A convenient pocket on the lid allows quick access to your phone. This versatile bag can be carried by hand, over the shoulder, or mounted on a bicycle. It is suitable for carrying cell phones, laptops, wallets, lunch boxes, glasses, clothing, gloves, water bottles, food, and other essentials for commuting or travel. Compatible with folding bikes such as Brompton, Birdy, Dahang, and other models with pig nose seats. Dimensions: 51 x 8.5 x 13 cm. Materials: Polyester Fiber, PVC, Polyester. Color: Black. Package includes: 1 x Bike Front Bag. Other items not included. Size may vary by +/- 1-3 cm due to measurement tolerance.