This is a large rectangle measuring approximately 22mm long and 16mm wide with a thickness of about 7-9mm. The hole is a nominal 1mm in diameter. This bead features a base of opaque glass with a band of 24kt gold foil and dots of chocolate (transparent black) Murano Glass all completely covered in clear Murano Glass. The color of this an opaque white (bianco). The exact shape, size and color patterns of each bead varies as they are entirely handmade in the lampwork beads tradition of the island of Murano. Authentic Murano Glass Beads