Artistry In Mosaics Glass Mosaic Tile Galaxy Series reflects light due to the iridescent finish. Indulge yourself in the uncommon brilliance of glass mosaic tile by Artistry in Mosaics. This tile is frost proof. Finish: Iridescent, Gloss. Tile size: combination of 1″ x 1″, 1″ x 2″, and 2″ x 2″ tile. This tile is the perfect choice for your swimming pool and spa and home interior and exterior, wet or dry installations, including kitchen backsplashes, shower walls and residential floors (not slip resistant).