Dark Orange Mother-of-pearl Shell and Resin Beads, 12-13mm Round, 15 Inch Strand 15 Inch Strand of 12-13mm Round Dark Orange Mother-of-pearl and Resin Beads Since pearls are natural, color and size may vary slightly. Perfect for DIY jewelry making. We take pride in providing only the highest quality products By Barbara's Bead Shop; made in the USA of imported materials.