Features 1. High quality material: Made of high-quality polyester fabric, sturdy, durable, lightweight, suitable for long-distance travel. 2. Multi functional package: Transparent, PVC sensitive phone case with touch screen. You can use your phone or GPS for precise navigation. Two side mesh pockets can be used to carry devices, chargers, towels, water cups, etc. 3. Safety and protection: It adopts an internal aluminum foil design to keep warm and cool. Not only does it provide waterproof protection, but it also provides ideal protection for the items stored inside, making it ideal for outdoor activities in summer or winter. 4. Comfortable and fast: With 3 fastening straps, you can easily and safely secure your bicycle bag to the handlebar. It can be quickly and easily connected to and separated from bicycles, suitable for most models and sizes of bicycles. 5. Seat belt: Keep items within reach. The reflective strip is clearly visible under low light conditions and can be safely driven at night. Specification Material: 600D polyester Color: Black Size: 23 x 17 x 5 cm Weight: 160 g Package Include: 1x Pannier bag