18" Happy Birthday Wish Big balloon brings celebratory charm to any party setup. This foil balloon features bold, festive messaging perfect for birthday decorators looking to add impact without extra assembly. Ideal for centerpieces, balloon arrangements, or standalone displays. Works beautifully in combination with latex and other foil balloons to create layered, professional designs. Self-sealing valve ensures easy inflation and reliable air retention. A go-to choice for event professionals stocking versatile birthday décor.