Folding Tote BagsBestseller Foldable Duffel Bag Genuine Leather Back up carryon This foldable travel duffel bag is also known as a fold up gym bag or backup commuter bag. Crafted from genuine leather, this leather gym bag works great as a carry on on shopping trips and carrying that extra bit of luggage. It is a hit with frequent travelers and airline crew. It can fit snugly into the side pockets of our commuter bag. Available in black; other colors upon request.