"Illuminate your celebrations with our LED Congratulations 14" Green Blinky Balloons! Say 'Congratulations' in style with our vibrant green balloons, perfect for adding a radiant touch to any day or nighttime event. With three lighting modes - slow blink, fast blink, and steady on - these balloons offer versatility to suit your party atmosphere. Plus, they're the only reusable light-up balloons on the market that can be inflated by mouth, eliminating the hassle of a helium tank. When filled with helium, these balloons will stay aloft for up to 10 hours, ensuring your congratulations message shines brightly throughout the festivities. With LED lights lasting up to 15 hours and replaceable batteries, these balloons are perfect for any special event. Each pack includes 5 fully assembled balloons, making it easy to create an unforgettable party ambiance."