Inflatable led light stick 1.good materials: nylon,foil and PE. 2.assorted colors and sepcial shaped are available 3..Imprint with customized logo/design. 4. inflatable stick can be filled with helium , hydrogen or simple air. 5..Used for cheering sports events, and an ideal as a promotional gift. 6.with advanced technology and exquisite workmanship. 7. if you have any question or demands about our products,pls don't hesitate to let me know as soon as possible .