This is Dichroic, Inc. etched pattern #94 on CBS dichroic. This etching is available on 96 COE thin glass in clear or black. It is sold as 4x4 inch square only. The black portion of the pattern pictured is where the dichroic coating is removed. Samples of coating colors can be viewed in the 96 COE glass category. Please Note: All etched glass is made-to-order and will add an estimated 3 to 4 days to shipping time. If shipping time is longer we will notify you.