Rolling Backpack — Convertible wheeled backpack offers the load carrying ability of a rolling bag with wheels and the portability of a school backpack Large Capacity — Main compartment holds 2 text books, lunch, plus a bunch of small items. Works well as carry on underseat luggage. Measures 17 x 12 x 8.5 inches Organize — Front pocket organizer has a key clip, pen holders, card slots, and an internal pocket for keeping small items safe. Includes 2 mesh side pockets for water bottles Converts Quickly — Pull out backpack straps in seconds when going up stairs or over rough ground. Straps easily tuck away in back pocket of roller backpack—no having to unzip Adjustable Handle — A single-tube aluminum handle extends to 34 or 39 inches to be easily pulled by kids and adults. For ages 6 and up