Fabric type: PU leather Origin: Imported Closure type: Zipper Lining: Polyester WATERPROOF MATERIAL Made of high quality, durable and waterproof vinyl material that is soft, smooth and stain-resistant. Durable polyester lining with a thick padding layer offers shock-absorbing protection for your device. Carry and protect your devices against dust, dirt, moisture, shocks and bumps in style. STAY ORGANIZED One spacious main compartment with a shock-proof laptop sleeve fits up to 15.6 inch laptops. Multiple slot pockets for cables, wallet, cellphone, keys, pens, and with ample space left for books, files, clothes, and more. Large exterior pockets add extra space for other needed accessories. LIGHTWEIGHT & COMFORTABLE Adjustable and removable shoulder strap with a thick shoulder pad provides a comfortable carrying experience. Sturdy top handles offer quick grab-and-go convenience. Use it as a laptop shoulder bag, messenger bag, business briefcase, or laptop handbag. Back luggage strap enables hands-free carrying. DIMENSIONS Exterior: 16.25 x 13 x 3.25 inches. Interior: 16 x 12 x 3 inches. Compatible with 15.6 inch, 15 inch, and 14 inch laptops and tablets. Suitable as a professional office work bag, travel briefcase, campus computer case, or casual messenger bag for men and women.