This necklace is a vintage unmarked necklace. It measures about 22" in length, including the clasp. The beading runs about 17". All the beads are the same size, but different variations of color. They each measure about 1/2" in circumference. I do not know what they are made of. The interior of each bead seems to be flecked with gold toned highlights and different patterns of color within the bead. The necklace is in good condition.