Add a burst of color and joy to any birthday celebration with our 18 Inch Square Sprinkles Happy Birthday Balloon! This vibrant and festive balloon is the perfect way to surprise the birthday person and create an unforgettable party atmosphere. Featuring a playful "Happy Birthday" message in stylish, bold magenta script across the center, this square-shaped balloon is adorned with a multitude of colorful sprinkle-like designs. The array of bright confetti-like stripes in shades of blue, pink, yellow, and purple against a clean white background makes for a cheerful and eye-catching display. Measuring a generous 18 inches when fully inflated, this foil balloon is the ideal size for creating an impactful decoration, either as a standalone piece or as part of a larger balloon bouquet. The high-quality foil material ensures that the balloon stays inflated longer, maintaining its shape and shine throughout your celebration. The balloon comes with a convenient self-sealing valve, making it easy to inflate with helium or air according to your needs. It also includes a ribbon or string attachment point at the bottom for easy hanging or for tying to a balloon weight. Whether you're decorating a party venue, surprising someone at home, or sending a festive greeting, the 18 Inch Square Sprinkles Happy Birthday Balloon from PopShelf is a delightful choice that's sure to spread smiles and bring birthday cheer. Free helium inflation with balloon purchase.