This large capacity bag can be used for bicycles or electric scooters. It has quick detachable design, sensitive touching screen, rainproof design and easy to carry. Features: TPU sensitive touching screen design, suitable for 4.7~7 inch mobile phone, can be connected with earphone cable, protects the mobile phone and operate the navigation flexibly at the same times. Suitable for a variety of bike models, some scooters also apply, can be placed in the front of the bike, stable and convenient. Quick release design, equipped with stable quick release bracket, easy to install and easy to disassemble. Large capacity design, can place and store various items, mobile phones, wallets, riding tools, etc., to meet the needs of daily riding. Equipped with shoulder straps, it can be used as a shoulder bag, easy to carry. Rainproof fabric, equipped with rain cover, protects the goods in rainy days, and has strong practicability. With night safety warning reflective pattern, increase riding safety. Built in mesh compartment, space separation design, conducive to storage. Specifications: Material: PU Capacity: 4L Item size: 310 * 190 * 200mm / 12.2 * 7.5 * 7.9in Item weight: 700g / 1.5lb Package size: 290 * 200 * 100mm / 11.4 * 7.9 * 3.9in Package weight: 779g / 1.7lb Packing List: 1 * Bag Set