This sapphire and black rolling thunder 2 has shock absorb bearing wheels, is built with a heavy duty frame, and hardware forged steel axles. Equipped with an extendable handle which locks in place so you can pull or push your bag, and transparent security flaps. Has roomy storage and extra compartment for shoes up to U.S. mens size 15. You can't go wrong with this spacious, sturdy, and reliable roller.