Large Laptop Backpack: Large main zipper pocket with dedicated laptop compartment for screen sizes up to 15.6", open pocket provide for your reading material and work documents, roomy space with organized pockets to your daily need Keep Organization: Large main compartment with a laptop slot, a document area, two side pockets for water bottles and umbrella, front organizer compartment with many open pockets for your notebooks, pens, pencils, and one anti-theft hidden pocket on the back Wide-open Design: Unique Dr. style "Big Mouth" opening with double zipper closure,make the opening wide and offer convenient, easy way to stuff your clothes, books, lunch box, camera bag or other necessaries