COMPARTMENT: School rolling backpack built-in separate laptop pocket hold Laptops less than 15.6 Inch as well as 15 Inch, 14 Inch and 13Inch Macbook; 36L Large Main Compartment roomy hold books for school or clothing for trip; Second zippered file compartment to organize bulky books and files; Organizer Compartment with many pockets make your items organized and easier to find; Mesh water bottle pockets at sides; A Velcro pocket at the back is convenient to carry a small towel | DESIGN: Water-resistant bottom panel Corner guards and a kick plate protect the bag from abrasion; Corner-mounted wheels provide an easy carrying for teen girls and boys; Metal Swivel Hooks can be adjusted at any time, Protect from Straps are turned; Lockable Metal Zippers design provide you to lock up the wheels backpack with your own lock, can safe to protect valuables from thieves | DURABLE MATERIAL: Back to school backpack well made of Durable Polyester Fabric with metal zippers and Waterproof bottom panel Corner guards and a kick plate; Adjustable padded shoulder straps with Sturdy Metal Hooks; Durable Aluminum Telescoping Handle and Strong & reliable rubber wheels | CONVENIENT CARRYING: Breathable and adjustable straps of this bookbags for middle school student can be tucked away into the zipper pocket, so they are not dragging while the backpack is rolling. can be used as a backpack when going up stairs or roll when moving to a new area; 2 in 1 wheels backpack offers comfort and casual style for day to day use and at anywhere for middle school, high school, college, vacation, travel, weekend getaway, occasional travel, business trip, overnight trip | Dimensions: EXTERIOR DIMENSIONS – 19.6 X 13 X 9 inch, Item WEIGHT: 4.9 pound; 22 inch Aluminum Hideaway Telescoping Handle can freely adjust the length at your needs. The business and school business backpack for school students, teens, adults, men, women