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! Click here for more information on this bug!