About this item Zipper closure 15 shoulder drop Size: 16.5*12*4 inches Material: Durable Canvas.It is perfect for college, school, travel, hiking, Mountaineering, Camping. Multiple Pocket Design, With this bag, you have 4 different compartments. Starting from the front, you have a pouch like compartment with two buckles that magnetically connect to keep it shut. Next, we have a small zipper compartment right above the pouch. It's a moderately deep pocket, and can store a good amount of smaller items. Moving on, we have 2 standard backpack compartments. On one side it has two open pockets, one smaller than the other, and these can fit small things like altoids and whatever. On the opposite side you have a zipper pocket, and its big enough to hold a lot of equally small items. Lastly, the compartment closest to the back of the bag is your laptop compartment. It has a stretchy pouch thing specifically designed for a laptop or tablet. it's definitely big enough to fit a 15.6. NOTE:Due to the light and different computer monitors, the color maybe slight different as pictures. Also, please allow 1-3 cm measurement differ according to manual making. Your understanding and help are highly appreciated. Hope you can enjoy shopping here.