Specification : round rhinestone cufflink Design:Classic design of black Rhinestone STUNNING LOOKING: Classic and Unique Knot Design; Easy-matching with Shirts. EXQUISITE CRAFT: A+ Level Electroplate Technique, Insures Long-time Color Retention. Thick Strengthening Clasps, Sturdy and Durable, Also Convenient to Use. url:http://www.bosen-metal.com