Crimson 21" Expandable Hardside Carry-On Spinner Luggage Black. With this 21 hardside carry-on luggage, you can keep your luggage with you from home, airplane, to destination. Made of lightweight, durable hardside material, you'll be at ease knowing your clothing and accessories will be safe. And you'll be able to zip through the terminal with the 8 wheel, 360 degree spinner system and aluminum trolley handle. So pack your things and travel with luggage from Original Penguin.