Absolutely gorgeous, multi strand, multi tonal blue necklace with stretch

This multi strand necklace, with beads of varying shades of blue and clear, tied with elastic navy blue and silver string is incredibly light and easy to wear, and yet looks so elegant. It can also be twirled and worn as a torsade. It is a dream of a spring and summer necklace. And what could be better to wear for a trip near the water with its beautiful blue hues?