This is so, so pretty and the pictures do not do it justice. Feminine and unique, this necklace is a great choice for day or night wear. Pendant is sterling silver plated filled with a plastic glow in the dark bead. You can remove the included bead and add anything of your choosing; like a love note, diffuser puff ball, or even a sparkling gemstone. The pendant measures 1" high by 1/2" wide. Ball chain necklace is 20".