1. Features: The special silver layer material of the temperature maintenance and reflective strips can effectively maintain a stable internal temperature, making it very suitable for storing food and other items. The reflective strips ensure your safety during night cycling. 2. Large capacity: 38 * 15.5 * 16 cm / 14.93 * 6.09 * 6.29 inches (length * width * height). The top rope storage and side bottle holder design provide a large capacity to meet your needs. 3. Easy to install: The adjustable bottom straps can easily fix the bag at the rear position of the bicycle, which is stable and versatile without complicated procedures. 4. Taillight installation sticker: There is a Velcro sticker on the side of the bag where you can paste the taillight, which is practical and convenient. 5. Shoulder strap design: When hung on the shoulder, the bag can be used as a shoulder bag for more convenient carrying. Technical data: - Type: Bicycle rear bag - Quantity: 1 piece - Material: Polyester - Color: Black/Grey - Size: 38 * 15.5 * 16 cm / 14.93 * 6.09 * 6.29 inches (length * width * height) - Net weight: 350 grams / 12.35 ounces - Package list: 1 * Bicycle bag