Double Drill Blue Sponge Coral Bead Strand 109217SO HOT! Blue Sponge CORAL Pendant BEADS! This is for one 16" temporarily strung strand of natural blue sponge coral beads! This natural blue sponge coral has been shaped into a flat rectangle with a drill hole on each end for maximum versatility! These beads are perfect for multiple strand pieces or by themselves or interspaced with sterling beads! These beads are a gorgeous deep denim blue. They are perfect for adding a touch of color to any of the