Amazon makes its own luggage now, because Amazon makes everything, and you can get a complete three-piece hardside spinner set for just $170 right now, a match for an all-time low. That gets you a 20" carry-on, plus 24" and 28" checked bags, all of which include multiple zippered pockets and liners to keep your stuff from exploding out when you unzip the bag, even if TSA makes you open it up in the middle of the airport.