18" Rolling Backpack Colors: Black, Royal Blue, Sky Blue, Pink, Red, Khaki, Gray, YellowThese are great for School or Travel as a carry on. Free Bonus with each bag: A matching a small zipper change wallet attached to the bag Product Features: Dimensions 18" x 13" x 7.5 Retractable pulling handle Made of Durable 600 Danier Polyester Main Compartment is 18" x 13" x 7" dual zipper closure that you can also put a small lock on to secure it. This would be a great section for books or you can put your laptop in here all you would need will be a laptop sleeve 2 zipper side pocket each 8.5" x 6" x 1.5" with Mesh pocket on the outside for bottles etc Dual Wheels on each side that are 1.5" wide to insure stability while rolling the case. You also have a flap that opens down to close the wheels so if you have the backpack on your back the wheels would not bother you. The shoulder strap is padded and it is 2.5 inches wide When the handle is open the total height of the pack is 3 FT. All the Handle & wheel pieces are Bolted to the Frame they will not come apart. Great clasps on top to clip on another bag to roll that as well On the front you have 2 pockets for your essentials for daily use Pen Holder, MP3 holder, key clip Etc.