Material:Natural Stone.High-quality beads, round beads with highly polished, smooth, shiny surfaces, Excellent Polishing. Dia:6mm;Hole Dia:0.8mm;1 String (15 inches /String,62pcs /String),Dia:8mm;Hole Dia:0.8mm;1 String (15 inches /String,48pcs /String),Dia:10mm;Hole Dia:0.8mm;1 String (15 inches /String,36pcs /String). WIDE USAGE:beads are excellent for Beading,jewelry making supplies,Jewelry Design,DIY gifts,Arts & Craft,Necklaces making,bracelets making,Yoga Bracelets,Earrings,Ring,Home & Wedding Decoration,jewelry findings,Waist chain making,ankle bracelets making etc. Reminder:These beads are made of natural materials,the color and pattern may vary from the one shown in the picture. due to lighting effects,display brightness/contrast settings, etc., the color tone of the picture and the actual object may be slightly different. Quality guarantee:All the beads have been checked for multiple times and packaged well before shipping to the Amazon warehouse. ABOUT US: We have been involved in the world of gemstones, crystals, and fossils for nearly 10 years now. We work with mines, cutters, and stone masons around the world to seek out the best quality raw, rough, tumbled, faceted, polished and lapidary gemstones. We hand-select the gemstones we provide in our shop as every stone has a story and we want the gemstones to show you their natural power. We hand-select the gemstones we provide in our shop as every stone has a story and we want the gemstones to show you their natural power. beads for jewelry making