Description:Material: Stainless Steel. Allergy free, non-toxic Cool design, great ear accessories Easy insertion and removal, Back screw hollow ear plugs for body piercing. Comfortable to wear, these are perfect for a wedding, special occasion ,party and so on.Size Chart:6mmHeight: 45mm / 1.77inchWidth: 10mm / 0.39inch Circle Diameter: 12mm / 0.47inchPulley Diameter: 10mm / 0.39inch8mmHeight: 48mm / 1.89inchWidth: 11mm / 0.43inch Circle Diameter: 14mm / 0.55inchPulley Diameter: 12mm / 0.47inch10mm Height: 48mm / 1.89inchWidth:11mm/0.43inch Circle Diameter: 14mm / 0.55inchPulley Diameter: 14mm / 0.55inch12mm Height: 48mm / 1.89inchWidth: 11mm / 0.43inch Circle Diameter: 16mm / 0.63inchPulley Diameter: 16mm / 0.63inch14mm Height: 52mm / 2.05inchWidth: 11mm / 0.43inch Circle Diameter: 18mm / 0.71inchPulley Diameter: 18mm / 0.71inch16mm Height: 54mm / 2.05inchWidth: 11mm / 0.43inch Circle Diameter: 21mm / 0.83inchPulley Diameter: 20mm / 0.79inchPackage Includes:1 Pair of Ear ExpenderNote:Please be reminded that due to lighting effects, monitor's brightness / contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item. Also please allow a slight difference in size which may be caused by manual measurement.