Airline Approved: Unfold size: 1.3(L) x 2.08(W) x 3.9(H) inch. Maximum capacity limit: 4.6L. This foldable duffel bag can be a personal item bag for most airlines. Warm tip: It is not to overstuff your bag so as not to exceed the size requirements of the airline's personal item bag.Foldable & Anti-wrinkle: Simple and easy to fold, slip one in your suitcase or backpack in case you need extra capacity when traveling. The folding travel bag ideal for those with cramped closet space. It has strong anti-wrinkle properties and quickly s to flatness after being folded and opened again.Durability & Tear resistant: This travel duffel bag made of water-repellentand durable material, it has a sturdy construction and smooth metal zippers, so you don't have to worry about tearing.Travel friendly: The sleeve on the backside allows you to slide the bag over a rolling suitcase, it can get you through the airport in comfort. the bag also comes with 1 spacious compartment, 1 large front pocket and 2 side pockets. Convenient for you to quickly organize your travel essentials for flying.Multi-purpose: This duffel bag is a perfect addition to your luggage collection and works well for quick trips. Not only is it essential for travel, but it can double as a shopping bag, clothing storage bag, hospital bag, weekend bag, bag, sports duffle, duffle bag and all-around everyday bag