Fireflies light up their bioluminescent bodies to communicate with each other at night. These unique little beetles need our protection, too. Due to loss of habitat, light pollution, and pesticides, their numbers are on the decline. My Firefly Necklace features a tiny hand-sculpted firefly with a bright, beautiful body made of yellow glass beads. The gold Firefly Necklace features a solid bronze firefly charm on an 18-inch 14k gold-filled chain, and the silver Firefly Necklace features a solid sterling silver firefly on an 18-inch sterling silver chain. Both versions are nickel-free. If you would prefer a longer chain, you may add an extender to your order here.