BBB Tubebag Fuelpack bag is specifically designed to mount on the top tube. It has an angled front for alignment with stem and headset. Velcro top access for easy entry. One big compartment to store energy bars wallet keys phone. Also, inside you can find two mesh pockets a key hanger and a cable port. Exterior mesh pocket for quick access. Transparent cove for maps or route directions. Anti-slip bottom material. Black reflective side graphics. 2 velcro straps to secure the position of the bag.