The fully-lined Solo Classic Expandable messenger bag expands an additional 1" when unzipped. The center padded compartment has a laptop pocket that protects laptops up to 15.6" and a big space for your files. Large zip-down pocket has organizers and lots of room for your accessories. It also features two mesh pockets, a front flap zippered pocket, and the back pocket has a zippered bottom when you want to attach it to a trolley handle. The bag also offers a padded carry handle, buckled closure and a padded 1 1/2" x 49" adjustable shoulder strap. Manufacturer provides 5 year limited warranty.