Glass mosaic tiles which can be see through so it gets the name as "crystal", but with the color paints on the back of the mosaic tiles makes thousands of colors are possible.Glass mosaic tiles are the most widespread mosaic tiles in common use and are used in great numbers by builders and tilers for common tasks such as shower bases and swimming pool edging, but these useful mini mosaic tiles can readily be adapted for artistic craft work.Each sheet of the glass mosaic tile is approximately 1 s