Price listed is for each necklace center piece. These pieces measure about 6'' long. The larger green beads are faceted spider agate. They measure approximately 12mm but vary slightly in size. The smaller beads are black onyx and measure about 8mm. The coloring of the spider agate beads vary slightly from piece to piece. These pieces are strung on tiger's tail and have a silver plated jump ring on each end. These can easily be finished out with a little chain or more beads.