YOUCCO Best China Large Foldable Backpack reusable foldable travel bag -YOUCCO PM80919 Supplier,BSCI & ISO 9000 VerifiedThis backpack was designed by YOUCCO as ultra large for travel. can be fixed on trolley bag, and when you don't need it, just foldin into small self inside pockst.Perfect for travel, Pls do not hesitate to contact us if you are interested with it.