Cufflink Blanks are all made of Brass,they have many different colors,such as silver,antique bronze,imitaiton rhodium ect.You could use glue on flat cabochons, typewriter keys, glass tile, fused glass, etc. to create beautiful one of a kind cuff link blanks.They also would make for a great addition to your craft show. It is also a great gift item for the men in your life.