These are popular Preciosa-Ornela Czech seed beads highly valued by craft and jewelry makers. Czech seed beads are very versatile and can be used for bead stringing, crochet, bead weaving and embroidery to name a few applications. Czech beads can vary in diameter which may require some culling if you are doing precision work.
Transparent: These are beads that allow light to pass through. Some transparent beads may be darker or translucent and their transparency may not be obvious unless held to a light source.
Matte: A velvety or frosted surface an effect that scatters light and thus softens the color of these beads.