Casual Canvas Messenger Bag Crossbody Bag Shoulder Bag Sw1079,Black BEST MATERIAL:High Density Canvas Material;Lining Fabric is soft cotton material,feels comfortable LARGE SPACE:The new design makes it very easy to hold a 15" laptop EXQUISITE DETAIL DESIGN:bottle holder on both side,bartack design on the key joint ENOUGH POCKETS:front and back pocket,two small compartment when you open the bag HOLD ALL YOUR NECESSITIES:You can put laptop,textbook,pen,magazine,ipad,iphone,purse,keys in the messenger bag