... crystal rhinestone 1.Material: crsytal 2.Size :16mm.18mm,20mm,25mm 3.Color:clear,black,red 4.Packing :gift box beauty crystal ... matched with different prices .Products made of manual non-natural crystal material , it has cutting , polishing , drilling , sanding ,and ... other processing ways , and finally done as the smart crystal craft . elegant , smart ,precious as its advantages ,so nowadays ...