NOTE: This ball is automatically sealed， so after the gas is automatically sealed， the ball is relatively small， only filling the air， hydrogen or helium filling is not fly.SIZE:33CM*22CM Description: letters AZ foil balloons are， spot gold silver has!Material: imported aluminum foil manufacturing productionSize: The height of the letter E for example about blowing about 33CM， width about 22CM.Suitable venue: birthday gifts， birthday parties， festivals， weddings， opening ceremonies and other decorative embellishment site