?? Unfold dimension is 17.7×12.6×6.3 inches, meet spirit airline personal item carry on limit 18x14x8, can be placed under seat, save your overweight charges. ?? Multifunctional, made of high quality and water resistant fabic. You can use it as shopping bag, carry on bag, gym bag, sports bag, travel bag ?? Foldable & Lightweight, capacity 25L yet weights only 7.1 oz, can be fold flat when not use. ?? Easy carrying, We designed a pocket allows bag to slide over the luggage handle, and there is a extra pocket to storage your daily use item. ?? 100% Satisfaction and money back guarantee, Please feel free to contact us whenever you meet quality problem, we provide 1 year warranty and lifetime customer service, guarantee 30 days return and money back.