Rolling Backpack — Convertible wheeled backpack offers the load carrying ability of a rolling bag with wheels and the portability of a school backpackLarge 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 inchesOrganize — 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 bottlesConverts 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 unzipAdjustable Handle — A single-tube aluminum handle extends to 34 or 39 inches to be easily pulled by kids or adults. For kids age 8 and up