HIGH-GRADE MATERIALS : Waterproof Waxed Canvas Men's MURADIN Genuine Leather Laptop Messenger Bags. martexin original wax canvas + superior cowhide leather+bronze hardware. Durable Leather and adjustable shoulder strap(Cancel magnetic buckle, the design is more practical) SIZE : 38cm(L)x28cm(H)x12cm(W)/15""(L)x11""(H)x4.7""(W). Perfect size easy to carry 15"" MacBook Pro / Air, 14-inch laptops , A4 file, iPad, kindle, cellphone, wallet, books and other small stuffs. Usage: commute, weekend, field, travel, school or everyday use. ORGANIZATION： 1 x main compartment, 1 x padded laptop divider, 2 x inner slip pocket, 1 x inner zip pocket, 2 x pen holder, 2 x front slip pocket . Two Main compartment are divided by padded cloth, the computer pocket to accommodate most laptops with up to a 14"" screen, the other is suitable for A4 folder,and have room for books; MULTIPURPOSE STRAP :With adjustable shoulder straps for comfortable wearing, no compression feeling at all. 2 Ways to hold as: shoulder bags, crossbody bags. Suitable for Commute, Business, Travel, Work, College or Everyday use.