Ronts Mens PU Leather Briefcase Lawyer Attache Case with Lock 15.6 Inch Laptop Business Bag, Black Materails: Exterior made of high quality PU Leather, Interior lined with cotton polyester, which is durable and firmed that will last you for years Dimensions: 16.5 x 3 x 11.5 inch-16.5 x 8.5 x 11.5 inch(expandable), Net weight: 3.7 pounds, which holds Laptop up to 15.6 inch Structures: 3 separate compartments with small pockets, provides enough room for a large Tablet Laptop, iPhone, iPad, iPod,pen, keys, wallet, books, A4 file, cloth and more Features: 3 detachable segments hold the bottom open, allowed to expand/condense when you need. Designed with reliable hardware, push Latch lock closure and attached with a key which will keep your documents/ other inner items in safe. Multipurpose Daypack: Business carriage briefcase with double handles(no shoulder strap),very easy and comfortable while carrying it in hand; Perfects for many occasions: office work, go to college school, business travel, unisex style for both women and men