Material: LED, Plastic, Latex Powder: 2 cr927.button cell batteries The top a ... Light BalloonModel Number:jl-003Item Name: Light Up BalloonsSize: 12"Material: LED, Plastic, LatexPowder: 2 cr927 button cell batteriesUse: Party Decoration, Promotion ... button switchesUsd 2 cr927 button cell batteries (included)Lasts for 12 hoursSuitable for helium or air fillingPackaging:500pcsCarton Size: 45*25 ...