Bought 10-12 years ago, used 5-6 times, and have been stored in closet ever since. 22” wheeled-upright and 20” stackable duffel. Everything works perfectly. Carry-on size for both. Wheels firm. Slot on bag to stack. Minor wear from baggage conveyor belt. Duffel fits inside upright for storage. Selling as a set. Contact me if you want to buy separately.