Size - 10mmMaterial- Glass Round Painted Glass Beads For Jewelry Making.Number Of Beads Per String- Approx 80 Pieces Glass beads are small, decorative objects that are made up of glass and can be used as an embellishment on garments and various jewelry pieces. Most glass beads are pressed glass beads and it is prepared by melting it into a desired shape and size. These are affordable pressed glass beads and can easily be used in beading, crafting, and embroidery designs. These are affordable Pressed glass beads and have a resistant coating that prevents it from losing its color.