... +PET+PE, BPA-FREE. 2.Character: Reusable, Attachable, Foldable 3.Folding water bottle Collapsible water bottle1.Material: PA+PET+PE, BPA-FREE ... it stand up well when fill in the water.4.Foldable:Can be rolled,folded or flattened when empty,making it ... go.5.red, blue, green, pink, black, orange colors available6.Collapsible water bottle/folding water bottle/foldable water bottle