The Microsoft Vertex Messenger Bag combines distinctive style with solutions for transporting all the digital accessories today"s lifestyle requires. Constructed of durable, lightweight 1680D nylon in a distinct vertical style with a gray accent stripe and stylish brushed nickel branding elements, this bag features a padded notebook sleeve to hold laptops with up to 15.4" screens. Also features a digital accessory panel, MP3 pocket with headphone port, hidden water bottle pocket and padded shoulder strap. Outside back zipper pocket converts to luggage trolley strap. Laptop Compatibility 12.14" x 10.75" x 1.5".