Show off your brilliance — literally! These eye-catching solid 3D brain cufflinks are the perfect accessory for the intellectual, the medical professional, or anyone who likes their style with a side of wit. Details: Style: 3D anatomical human brain design Finish: Polished silver-tone metal with oxidized black detailing in the grooves for depth and definition Backing: Standard torpedo/whale tail swivel backing for easy use Size: Approximately 3/4 inch wide