flashing ballon lamp These are fantastic!!!. All you have to do is switch them on and put them into your balloons, before you blow.

1)Turn LED on and off by twisting the base.
2) With a hook a bottom, you can thread and hang them easily.
3)Batteries: 3 x 1.5V LR41 in each led, 8 hours+( yes, batteries are included)
4) Batteries are replaceable.

Illuminate wedding paper lanterns, floral arrangements, garlands, bouquets, bridal sets, centerpieces, place settings, candle votives, vases, balloons & more! Yes, they are submersible/waterproof (do not use in beverages).

Each will last 8 hours (we tested one and it was still working after 20 hours - but it started dimming after about 12 hours). Turn LED on and off by twisting the base.