Authentic Blown Venetian glass flat, round (lentil) shaped beads. These beads start as rounds bead and then are lightly pressed like a cookie to form the flat, round shape. Blown in the furnaces of Murano. Distinctive color stripes of translucent glass. Size is about 25mm(+/- 2mm) or 1" diameter, though it varies due to the nature of these handmade beads. No two are ever exactly alike. The color on this one is our luna blue with aventurina.