Big Heart Locket Glow in The Dark Necklace Jewelry Pendant Steampunk Fairy Magical (Green) Big Heart Locket - Glow In the Dark Necklace 18" chain. Cute Glow Brand. Exclusively sold by - Cute Glow Jewelry TM Heart shaped pendant which shows a unique, gorgeous glow in the dark. When fully charged our pendants will glow brightly for the first hour necklaces come with FREE gift box and UV torch