The bat necklace features a luminous bead that can be recharged under sunlight or UV light for optimal glow, making it vibrant and eye-catching in the dark. Crafted from 925 sterling silver, it is tarnish-resistant, hypoallergenic, and free from nickel, lead, and cadmium, ensuring it won't change color or darken over time. The pendant measures 25.4mm by 23.8mm (1in by 0.93in) and comes with an 18-inch rolo chain that is 1mm wide. The total weight of the pendant and chain is 5.2g. This bat jewelry makes a perfect Halloween gift for women, sisters, mothers, friends, grandmothers, aunts, nieces, wives, or lovers. Each piece comes with a jewelry gift box for a thoughtful presentation. Designed to be original, inspiring, and meaningful, this necklace is a unique accessory. If you have any questions, feel free to contact us anytime for prompt assistance.