Beautiful Grey Tube Silver Foil Colori Murano Glass Beads. This tube shaped motif is adorned with an interior layer of silver foil giving it a striking look. Murano beads originated in Venice and the Colori bead is inspired by the Venetian Murano glass. Each Murano Colori bead is made by hand so each will be slightly different in length height and width. This Murano bead has a height of about 12mm and a length of about 9mm and is authenticated by Pugster (TM) Inc. Grey Tube Silver Foil Colori Murano Glass Beads are available through wholesale and retail in our store. Murano Colori beads are sold in packages of 5pc pack.