More than just a foldable shopping bag, this zip tote has pockets! Two exterior pockets and a zippered main compartment mean you can keep everything you need organized. This tote even features a strap to slide over the handle of your suitcase so you don't have another bag on your shoulder. It's medium size makes it a great carry on. Folded this bag measures just 6 inches square and opens up to a roomy 17 x 14 x 6 inches.