A vibrant and festive banner featuring bold, cheerful lettering that reads "Happy Birthday!" in a playful font. The background is bright and colorful, often decorated with balloons, confetti, streamers, and stars. Some designs include cake, candles, party hats, or cartoon characters, depending on the theme. The banner may come in various materials such as glossy paper, fabric, or vinyl, and is perfect for hanging on walls, across doorways, or outdoors to celebrate a special day with style and fun!