FECEDY 4pcs/Set Blue Foil Balloons for Baby Shower,Birthday Party Decoration One boy(19"x30"),One Feeder(32"x17"),One Moon(18"),One Crown(19 "x 14") Material:ECO-friendly Aluminum Foil. it is for Wedding ,birthday,baby show, Kids party,Christmas,Evening etc..party It is can inflate Hydrogen and helium,so can float !High quality Aluminum Foil balloons pls notice high quality product from"FECEDY"