• Safe and durable material: Made with high-quality plastic, these LED lights are lightweight, energy-saving, and offer high light transmission. • Easy to use: Simply remove the insulation sheet and place the light in the balloon or lantern. • Batteries included: Each LED light operates with 2 LR41 batteries, providing between 8 and 24 hours of illumination. • Versatility: Perfect for decorating balloons, paper lanterns, bottles, and more, ideal for weddings, birthdays, Christmas, Halloween, and other celebrations. • Specifications: Cool white LED color, diameter of each bulb 14mm, lifespan of 6-12 hours. • Product dimensions: 12 cm wide, 2.2 cm high, 16 cm long. • Note: Keep out of reach of children and avoid overloading balloons to not affect their buoyancy.