Helium Fusion 3.0 25" Expandable Suiter Trolley Color:Black It includes an Internal pocket It includes an Internal pocket that lets you plug in your own power supply and charge your phone from the outside with a built in USB port low profile wheels for quiet 25 inch expandable suiter trolley made of lightweight durable everlastpolyester expands up to 2 inches which allows for additional packing spacelightweight fiberglass graphite frame fully lined with suiter clip on mainlid tie down straps and pockets for easy storage and security recessedlocking trolley handle with easy tpr grip (one hand operation) protectedrecessed velocity inline skate wheels for easy roll and long lasting selfrepairing interlocking nylon zippers worldwide limited 10 year warranty