Features: Made of high quality PVC material, wear-resistant and water-resistant, durable in use. Reflective strips design for increasing nighttime visibility and cycling safety at night. Adjustable adhesive fastener tape for easy installation and removal, grasps bike frame tightly. Large capacity, convenient to store your riding accessories and easy to access with side zipper. Great accessory for bicycle riding lovers, suitable for mountain bike and road bike. Specifications: Material: PVC Color: Blue/Grey/Red (optional) Capacity: 1.8L Item Size: 30 * 21 * 6cm / 11.8 * 8.3 * 2.4in Item Weight: 185g / 6.5oz Package List: 1 * Bike Bag