Because our glass tile has a finished, beveled edge trim pieces are not necessary - this also makes installation easier and reduces your costs all around!
We do however sell 2/3" x12" pencil trim in select colors.
https://www.subwaytileoutlet.com/categories/Glass-Pencil-Liners
You can see some example pictures of how other customers have finished their edges here:
http://www.subwaytileoutlet.com/galleries/Glass-Tile-Edge-Examples
We do carry a wide range of trim and edging pieces for our Ceramic Subway Tiles - they are a special order so call us at 888-860-9429.