Material: Dark Blue Cat Eye; Our Cats Eye Beads from Factory; Hand Select; Nice Quality. | SIZE & QUANTITIES: Bead size 8mm, Hole size 1.0mm; 1 Strand (15.5 Inches/Strand; approx. 47-50pcs/Strand). Sell unit one strand, and the photo show many strands help you understand more detail in same size photo. The beads that you will receive are similar to what you see in the picture because natural stone does not have identical pattern and color. | WIDE USAGE: Our Cat Eye Glass Beads are excellent for Beading, Jewelry Making, Jewelry Design, DIY gifts, Arts & Craft, Necklaces, Bracelets, Yoga bracelets, Earrings, Ring, Home & Wedding Decoration. | Cat's Eye Beads are synthetic optic glass expertly shaped into round beads by fusing quartz fibers together. The color is brilliant and the bead refracts light. Sometimes referred to as "fiber-optic", these synthetic beads change hues as they capture the light and have a band of light running through the center that resembles a "cat's eye". The cat eye glass beads have a very definite eye streak and appear to shine from below the surface. | 24-hour on-line service, You are welcome to contact us for more jewelry information.