These non-blinking balloon lights are perfect for adding some light to your party! 12 come in a package, and they include built-in loops for hanging! Directions are included on the package. These lights work best with 11 inch or larger semi-transparent and helium balloons. The lights last approximately 8 hours. These can also be used for floral arrangements, centerpieces, place settings, and more! Includes 12 lights.