COCOTINA Waterproof Mountain Road Bicycle Tail Bag Saddle Bag Bike Pouch Cycling Seat Bag Waterproof Mountain Road Bicycle Tail Bag Saddle Bag Bike Pouch Cycling Seat Bag Material: polyester Color: black Installation: strip with buckle, velcro strip Dimensions: 20*8.5*8cm/7.9*3.3*3.1" Package Include 1 * Bicycle saddle bag