1, imported pvc or hypalon inlatable tubes,airtight 2,easy ... pvc fabric or hypalon,airtight,resist friction,tempereture,tear,oxidationconvenient to carry and store,quick come into shape.ZHENBO inflatable ... heavy-duty,all workmanship watercrafts,easy carry and store,inflatable boats take up as much space as midium ... pump,in a matter minutes,a full size inflatable boat can take you or your whole family ...