High Sierra Carry-On Wheeled Computer Upright Bag Special built-in, high-density foam structure helps maintain the bag's shape while minimizing weight. Large main compartment, with book-style opening and interior clothing hold-down straps, expands 2.5 Separate compartment with padded sleeve protects most 17 (screen size) notebook computers. (Maximum computer size: 18" x 12" x 2")" Lower front pocket has a business organizer with PDA pocket, cell phone pocket, pen pockets and key fob. Upper front pocket is designed to hold an MP3 player and has an integrated headphone port.