For new customers only, Overstock offers the Olympia 22" Carry-On Rolling Upright Duffel Bag, model no. SRD-22, in five colors for $31.99. Activating this link drops it to $28.79. With $2.95 for shipping, that's the lowest total price we could find by $3. It features eight outer pockets, retractable handle with zipper closure, recessed in-line skate wheels, and measures 22" x 12" x 12".