Canvas Flap closure Durable: This mens messenger bag?is constructed with soft and durable cotton canvas,which it is heavy duty and water resistant.It can protect your computer and books entirely. Multiple Pockets: Large capacity with more than 14 pockets that fits all of your stuffs you need.?1 zipper pocket on the flap,External access to 2 front pockets under flap, 1 large zipper pocket with 8 card slots and 2 pen sleeves,1 key chain and 2 side pockets for umbrella, 1 back zipper pocket with leather clasp. Internal access to 1 main zipper compartment, 1 padded laptop compartment fits 15.6 inch laptop,2 slip pockets and 1 zipper pocket keep things organized. Easy To Carry:The extra padded laptop compartment fits 15.6 inch laptop,wide and thick shoulder strap comes with a movable thick shoulder pad which provide extra comfort for your shoulder.With adjustable shoulder strap ,you can wear it cross-body or on shoulder and with the top handle it could also be a professional briefcase. Large Capacity: The size of this spacious satchel is 16.9 x 5.5 x 13.6 inch, which it is roomy for laptop ,books,camera,clothes.?Laptop compartment size at 15.4 x 2 x 11.8 fits 15.6 inch laptop,and Weight:2.65LB/1.2kg,Adjustable strap :32.67-54.33in/83-138cm,Top Grab Handle Drop:2.6in/6.5cm. Multi-functional Bag:The satchel bag can be carried by the handle as briefcase,worn on shoulders, and across body.It is a good messenger bag for men and women and perfect satchel for business, work and college.