This brooch has a Dichroic Glass cabochon, as the centerpiece, created by Kerri Pollack, of KP Gotham Designs, NY, NY. The beadiing Sandra has done, echoes the design in the glass. The base for the beading is a non-woven poly-mesh. The work is finished with an Ultrasuede backing and more hand worked beads, and the pin has a gold plated, locking, pin mechanism. It measures approx. 1 3/4" by 2 1/2".