1, brass stamped ,gold plated with clear and blue stone . 2 ,size is 15mm *15mm . 3, it ... for gifts,party,wedding. 1, Brass is best material for cufflinks ,plating is usual nickel ,gold .2, process include soft enamel ... ,photo eached ,stamping ; you can make it with stones .3, cufflinks are used for wedding ,gifts ,party , and anniversary etc .4 ...