Sidekick bag hangs on arm rest and stays at arm height beside the thigh. Holds wallet, brush, keys, snack, dog treats, bus pass, and lunch money, right by your side where it's convenient. No digging for your wallet in your backpack! One center compartment 11" wide x 8" high, with fabric loops over the arm rest with imbedded grippers. Stays up at armrest height facing inside or out.