• High-quality LED balloons made of TPU material, odorless and durable. They cannot be inflated by mouth, must be used with helium tanks or other equipment. • Magical and bright decoration: the balloons can be inflated up to 12-16 inches (30-40 cm) and retain air for up to 7 days without leaking. The light string has a switch to turn the light on and off at any time. • Easy to use: simply inflate the balloon with air or helium and wrap the light string around the balloon. The light strip comes pre-installed with a battery and ready to use for approximately 24 hours. • The package includes: 15 transparent balloons, 15 LED light strings, and 5 sheets with 100 glue dots in total. • LED string lights: made of 11.8 feet of silver-plated copper wire and LED bulbs, these lights can operate under low voltage conditions and do not overheat. • Ideal for various occasions: birthdays, weddings, anniversaries, pool parties, dance clubs, Halloween, Christmas, Valentine's Day, and more.