GLOW IN THE DARK NECKLACE: Only glows in the dark after absorb light. No light absorption, No glow.

HARM-FREE: The pendant material is made of zinc alloy and fluorescent material; lead-free and nickel-free.

BEST GIFT: The luminous necklace is the best and unique gift for special occasions.

HOW TO GLOW: Keep the necklace to charge under direct sun light or artificial light (torchlight, white bulb) for 5-10 minutes, it will glow brightly for the first 20-30 minutes and after that it fades out slowly in the following hours. You can charge it again and again when the glow wears out.