Body Candy Stainless Steel Blue Synthetic Opal Butterfly Left Cartilage Earring 16 Gauge 1/4" Gauge size 16 gauge; 1.2 millimeters 1/4 inch; 6 millimeter barbell length 316L stainless steel straight barbell This cartilage earring is fitted to be worn in the left ear Barbell earring features butterfly with blue synthetic opal