Crystal Rhinestone Chain 1. Material:H65 brass+China stone grade A 2. ... 4. Nickel-free SS22 Charming Crystal Metal Rhinestone Cup Chain 1. Materials: silver, copper, alloy, crystal, or according to clients' ... pictures. 3. Plating: can be plated in different finishings like silver, gold, copper, antique silver, antique gold ect, or ... of prestige. SS22 Charming Crystal Metal Rhinestone Cup Chain