Lightweight with huge capacity is a perfect carrying bag. Section at the bottom expands to hold even more. Shoulder strap to carry as a crossbody. Leaves hands free. Has zipper outer pocket to quickly access small items. Folds to a square for storage. Has a band that allows it to be attached to sit on top of rolling suitcase. Fits under seat of a plane. https://the-foldie.com/pages/folding-instructions