Note: This set has a total of 28 kinds of irregular gravel in different colors, others do not includeSize: Chip beads about 0.1"-0.3" (5-8mm), drill about 1mm, each color has 40 chip beads, 28 colors in total, they are unique and irregular. All irregular natural gemstone beads are heat treated and surface polished, good quality will enhance the texture of DIY products.Craft Stone Beads: These gemstone beads are great for DIY craft projects like ring making, DIY beaded jewelry, earrings, bracelets, necklaces, anklets, in a variety of colors and shapes, choose the gemstones you need. It can also be used to make ornaments, tree of life pendants, Christmas tree pendants, bonsai wealth trees, key chains, mobile phone accessories, DIY gifts, etc.You only need to buy one set to meet multiple needs. 28 colors of crushed stone to satisfy any handicraft you want with just one set.If you have any questions about our products, please feel free to contact us, we will try our best to find a satisfactory solution for you within 24 hours