1, Eco-friendly no metal balloon 2, 100% biodegradable 3, Flame resistant paper ... an attached non drip fuel cell, and absolutely NO metal parts, ensures our lantern will not harm livestock ... responsibility, do my best to service to clients. No metal balloon ItemMaterialShapeColor Size cmPackingPaperWax Wax holder OvalWhite Red Green Blue ... to your design Effect picture: Our factory: No metal balloon