Celebrate in style with this vibrant 17" round foil balloon featuring a cheerful "Happy Birth-Yay" message on a bold black background. Perfect for birthday parties, the eye-catching design adds festive flair to any celebration. Easy to inflate with helium, this durable balloon makes a memorable decoration that guests will love. Ideal for creating balloon bouquets, arches, or standalone displays. Make the birthday person feel extra special with this fun and festive party essential.