The Small Glowing Ladybug Necklace has a real Ladybug, also known as a Ladybird Beetle sealed inside our glow in the dark lucite! Scientific Name is Synonycha grandis. Charm size is 1 and 1/8 inch by 1/2 inch. On 28 inch nylon necklace, easily adjustable. This is one of our cutest bugs in lucite! More information on this bug