PACKABLE DESIGN: When it’s time to streamline, pack your travel backpack inside the attached 9"W x 7.5"H zippered pocket. When you’re ready to use, unfold for a handy 13.75”H x 11.25”W x 6.25”D backpack! LUGGAGE HANDLE SLEEVE: A handy sleeve lets you slip your backpack right onto your rolling carry on luggage for extra convenience while traveling. MULTIFUNCTIONAL COMPARTMENTS: With a variety of pockets, on-the-go organization has never been easier than with this travel essential backpack. LIGHTWEIGHT, WATER-REPELLENT NYLON: A lightweight design makes the Packable Backpack perfect for travel, while water-repellent fabric ensures spot-cleaning is a breeze!