Celebrate in style with this set of five 17-inch Happy Birthday mylar balloons. These vibrant, durable balloons feature bold lettering and festive designs perfect for any birthday party or special occasion. Mylar construction ensures long-lasting inflation and a professional appearance. Easy to inflate with a standard pump or helium. Ideal for decorating party spaces, creating balloon bouquets, or adding a cheerful touch to gift presentations. Each pack includes five balloons ready to brighten your celebration.