The glass mosaic tile collection from Onix encompasses seven series: iridium, ice, crystal, classy, glam, geo, and moon. The glass is made from a combination of melting sand, sodium oxide, and limestone. Tile sizes include 1.2cm square, 2.5cm by 5cm, 5cm square, 2.3cm square, and 2cm square. All sizes come mounted on 12"-square sheets of mesh backing. •