Underseat 16" Rolling Carry-On Tote Black. Travel with what you need most with this Underseat Rolling Tote Carry-On Bag from Original Penguin. This rolling tote bag is designed to fit under the seat in many airline cabins and features a total of 9 zippered pockets to keep your items organized. The main compartment opens up in a U-shaped design to allow easy access to items in the main body and main flap. 5 exterior zippered pockets for additional packing space and three interior zippered pockets for additional accessories. Smooth gliding wheels, extendable trolley handle, and cushioned top handle for comfort.