ZUMIT Laptop Backpack Casual College School Daypack Business Shoulder Bag #802 Blue Size:31*19*46cm(L*W*H) Weight:1.3 KG Material: high quality wear-resistant and water-resistant oxford. High capacity Perfectly meet your daily needs. Keep your things more neatly.Its not only can put a 14inch slim laptop ,but also there is a pocket for your Ipad. There is a special security design for the main pocket.When you dont use it ,the security layer will protect your backpack and you dont need to worry about your backpack will be opened easily. Triangle sponge air cushion-- Human engineering. When you are carrying heavy things, it can reduce the waist load.