The material is aluminum film, the color is uniform, and the spherical shape is beautifulAfter the inflation is completed, please pinch the ball flat, the ball will automatically seal the glue Material: aluminum foil balloonSize: 32 inchesAluminum foil balloon number 0-9Color: gold, silver, blue, pink, rose goldFunction:Suitable for birthdays, parties, anniversaries, weddings, graduations, various parties, etc.Note: *For manual measurement, please allow an error of 1-2cm.Package includes:10* foil balloonSpecial note:The blowing balloon must be inflated slowly, it can be pumped up to 80%, and then blown with a straw, it is easy to control the volume, so as not to burst. If you encounter two layers of aluminum foil sticking, you must stop inflating, and gently pull the two layers of aluminum foil with your hands before inflating, otherwise it will be easily damaged.