This is a standard Chrome messenger bag. I am selling it because I stopped using it after about six months of commuting. It shows signs of use. There is some dirt. I do not accept any complaints or cancellations after purchase. It's 20L and has a large capacity, so I think it's easy to use. Timbuk2 Manhattan Portage Montbell Columbia finetrack Patagonia Marmot Norrona Houdini Teton Bros. OMM Helikon-Tex Mammut Descente AIGLE Salomon The North Face Mystery Ranch Gregory Fjallraven Haglöfs Montura Granite Gear Arc'teryx Black Diamond Snow Peak Jack Wolfskin Chums Outdoor Research Mountain Hardwear Helly Hansen Karrimor L.L.Bean Macpac Mountain Dax Osprey Ortlieb Vaude Crumpler Color: Black Bag size: A4 size compatible