Celebrate in style with our 16" Airfill Only Happy Birthday Joint Blue Kit Foil Balloons. This set includes vibrant blue foil balloons that spell out "happy birthday" in a playful script font. Perfect for any birthday celebration, these balloons are designed to be air-filled only, ensuring they last throughout the party. Easy to assemble, they make a great backdrop or centerpiece for your decorations. Add a touch of fun and festivity to your special day with these eye-catching balloons!