Epinki Womens Girls Whistle Shape Three Colors Optional Luminous Halloween Necklace Glow in The Dark Size:4.6x0.8CM, Chain Length: 50CM, Weight:2.9g Glow in the dark as the right picture shows. Search "Epinki Necklace" to Find More Styles. Wonderful gift for you and your friends,suitable gift for the one you love. Occasion:Party Dress Accessories,Wedding Jewelry;Birthday Gifts;Advertising Promotion;Staff welfare;Beautiful Pieces for any Occasions