Kokomo Opalescent Glass Company, the oldest art glass manufacturer in the United States, still produces the same high-quality glass used famously by Tiffany. A favorite of top studios and artists, the unique and beautiful colors attract attention immediately. Kokomo glass is excellent for both hobbyists and professionals. Featuring magnificent colors and textures, this glass is certain to add depth and character to your glass art. Many textures and a choice of densities are available in opalescent, cathedral, streaky and opalume glass.