• Vibrant and Colorful: Our 18" Happy Birthday Balloons #100 come in a variety of vibrant shades that will instantly light up any room and create an atmosphere of pure joy. From bold blues and pinks to vibrant yellows and greens, these balloons are sure to add a touch of fun and excitement to any birthday celebration. • High-Quality and Durable: Crafted from high-quality materials, our 18" Happy Birthday Balloons #100 are built to last. Whether you're celebrating indoors or outdoors, you can trust that these balloons won't pop or deflate too soon. They are designed to withstand the test of time, making them practical and versatile for any type of celebration.