... RoHS Suitable for helium filling Batteries No-leak in transit Yellow LED Light BalloonsItem No.: CL-B001 Item Name: Flashing ... Led Light BalloonsBalloons Color: Black, Orange, Green, Blue, Yellow, Brown, White, Red, Pink, Purple etc ...Suitable for helium ... Black Rubber Ring, Color String.HOW IT WORKS?LED Light: Single light(white),Multi color light(red, blue, green, yellow), Multi ...