Product Description Material: polyester * nylon Size: 13.3 inches, 36*16*3 cm; 15.6 inches, 43*31*3.5 cm Opening method: zipper Style: 13.3 inches, 15.6 inches Internal structure: zipper pockets, mobile phone pockets, ID pockets, sandwich zipper pockets, computer pockets, camera pockets Color: black, dark gray, purple Quantity: 1 piece Package content: 1*laptop bag 1.Laptop Case Size InformationMain Pocket Internal Dimensions:13.3 inches, 34.5*24.5*2.5 cm; 15.6 inches, 40.5*29.5*3 cm. External dimensions: 13.3 inches, 36*26*3 cm; 15.6 inches, 43*31*3.5 cm.Accommodates laptop / computer / ultrabook with screen size up to 13.3/15.6". 2.Laptop Case ProtectionThe internal shock-proof cushion layer is used to better protect your laptop from accidental scratches. The outer layer of the handbag is made of polyester fabric, allowing you to carry your laptop in a unique fashion style. The handle is made of nylon material, which is strong and durable and will not break easily. This protective carrying case with pockets is perfect for taking your laptop out. 3.Plenty of Space : The laptop messenger bag front zipper pocket and other pockets are used to store essentials, such as your pens, cables, mouse, earphone, mobile phones, iPad or laptop accessories. A spacious main compartment is used to store your laptop, books and other items. 4.Comfort and Stability: With Handle Strap , A top opening double zipper gliding smoothly. Freely 90-180 degree opening and allows convenient access to your device. Slim and lightweight, does not bulk your device up and can easily slide into your briefcase, backpack or other bag.And the detachable padded shoulder strap with adjustable reinforced strap. 5.Organize Your Digital Life: laptop case perfect for women and men's daily use on business trip, travel, school, office etc.