This vintage necklace is a gorgeous quadruple strand of blue and white shells. There are three strands of blue and white chips and a fourth strand of abalone spikes, all with clear glass spacers. This vintage shell bib is in great condition. Hook clasp is marked Japan. It has an extender and can be worn up to 17". The abalone strand is the longest and will hang lowest. This vintage Japan bib is sure to make a statement.