Universal Lencca Premium Canvas Backpack Tote Briefcase Carrying Should Bag for Macbook / Dell / Samsung / Lenovo / Acer / HP / ASUS / Toshiba 13.3 14 14.1 15.6 inch Laptop Notebook Ultrabook Innovative Design allows to convert easily into 3 different types of bags: backpack, Messenger, and tote bag. Main Interior padded compartment for Laptop up to 15.6 inches & three added interior pockets to sort and store multiple necessaries. Two Front pockets with Zipper closures and Flap for gadgets & Side pockets for water bottles,short umbrella,ipod,cellphone etc. Top dual zipper for easy opening and clear view & Adjustable and removable crossbody shoulder strap. Made from heavy duty durable canvas. -Exterior Dimension: 17.2" x 16.5" x 2.5"/ Padded Compartment: 16.9 x 15.2 x 1.75in.