Foldable: Fold into a shell shape in the pocket (folding size is:8""x6""x1.5""), very space saving Easy carrying: A strap allows bag to slide over the luggage upright handle tube for Easy Transport. Also there is 2 open side-pockets and one zippered pocket to storage your daily use item Multifunctional: made of high quality and water resistant fabric. You can use it as shopping bag, carry on bag, gym bag, sports bag, travel bag