When we say this mosaic glass tile collection is golden, we mean it literally. There’s actually pieces of 24k white or yellow gold encapsulated in all 18 designs in the Royalty glass tile collection. This includes the Yellow Gold design which not only has gold, it looks like gold. Resistant to fading, staining and discoloration. The Royalty glass mosaic tile collection comes in 12 7/16” x 12 7/16” sheets with 4 mm thick squares, 3/4” x 3/4”.