KomalC 16 Inch Leather briefcases Laptop Messenger Bags for Men and Women Best Office Satchel BagPREMIUM BUFFALO LEATHER AND YKK METAL ZIPPERS: Unlike Other brands which use Faux or PU leather , KOMALC bags are made from Premium Top Grain Water Buffalo Leather and are made by Experienced Craftsmen. And all Metal Zippers used on this bag are YKK brand which is one of the most reputed in the world . TROLLEY COMPATIBLE : Our bag comes with a trolley Compatible strap so you just relax and strap it to your suitcase while at the airport or travelling .