Color: Metallic silver Material: Thick latex, aluminum foil Size: 12 inches, 5 inches, 18 inches Package include: 40 pcs 12 inches silver metallic balloons, 10 pcs 5 inches chrome silver balloons, 4 pcs 18 inches 4D foil balloons, 2 pcs 5 m silver balloons ribbons, 1 pcs 5m balloon strip ATTENTION: There will be a certain color difference before and after the balloon is inflated, and the color effect is better after inflation. WARNING: Please DO NOT overfill the metallic balloon and also avoid sunburn, overheat, pointed object and over friction. Strong wind or over clap may cause the burst of balloons. This balloons set is suitable for children over 8 years old!