Save Your Carry on Charges：WANDF 18 x 14 x 8 inches travel bag that meets the that meets the personal item size requirements of Spirit and Frontier Airlines. It can be placed under seat to save your overweight charges. Foldable & Lightweight： This foldable travel bag can be fast folded into itself with a compact size, only 1/20 of regular size luggage. This overnight weekender bag can be folded in your luggage as a spare bag for souvenirs or clothes when traveling. Easy Carrying： It comes with stitched grip handles and an adjustable shoulder strap. The back pouch is designed to fit over the handle of a common suitcase for easy carrying. Durable & Fashionable： Made from water-resistant and tear-resistant fabric with premium zippers. Stylish colors allow you to quickly find your carry on duffel bag on the go. Multipurpose： Easily held all your gym or travel items, great choice as a weekend bag, Overnight Bag, gym bag, sports bag, workout bag, travel tote bag, hospital bag, carry on luggage, personal item travel bag.