The Expanse(TM) 4-Wheel 22" Carry-On is loaded with features including an expansion zipper for added storage, built-in attachments for your favorite Pack-ItA(R) organizers, and self-repairing, lockable zippers. Constructed using bluesignA(R) certified ripstop and 100% recycled fabrics, you can purchase this bag knowing it&&';;s the most sustainable choice.