Premium Buffalo Leather And Ykk Metal Zippers: Unlike Other Brands Which Use Faux Or Pu Leather , Kpl 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 .