Main Material: PU leather shell fabric and the lining is cotton & polyester. And the main zipper is YKK, which is durable and worked smoothly Structures: Laptop compartment, phone pocket, zipper pocket, cards holder etc. Capacity: Fits to 14-inch laptop, mini Ipad, umbrella, sports water bottle, cigarette, keys, several clothes for days trip and other daily use stuff Dimensions: Small (39.0*12.0*26.0cm /15.4*4.7*10.2 inches), Large(45.0*15.0*30.0cm /17.7*5.9*11.8 inches) (Length*Width*Height), and the shoulder strap is about 128.0CM /50.0 inches at most Features: The strap is removable, adjustable and ultra-comfortable. So that it can act as a single-shoulder bag, messenger bag, a cross-body bag or handbag tote Occasions: The handbag is perfect for the male and female and ideal for school, working, traveling, sports, camping, hiking and mountaineering. With quality construction and stylish design, this practical and chic bag will bring compliments and envy for you. Why not have a try?