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