ULTRA LIGHTWEIGHT & FOLDABLE: Feather-light and zips completely flat into a compact pouch that easily fits into backpacks, shoulder bags, purses, totes and carry-on luggage. PERFECT FOR EVERYDAY ADVENTURES: Lightweight, durable nylon means this collapsible backpack does it all. Reinforced cotton webbing shoulder straps and top handle are strong enough to handle daily wear-and-tear while not adding any bulk. TSA APPROVED & MULTIFUNCTIONAL: Meets all TSA carry-on requirements and is equipped with a functional trolly sleeve that easily fits over your rolling carry-on luggage. Neatly fit into the overhead bin or under the seat in front of you. NWT