Sold by SoScene USA seller .Double saddle meaning the ear hole will need to be stretch a little less then 1mm extra to fit around plug saddle when inserting the plugs into your ear. The saddle is about .75mm larger than the center diameter of the plug to insure a snug and secure fit. Listing is for 1 pair 2 pieces Photo is showing a 25mm/1 inch plug , the smaller the size the smaller the center hole will be . Plugs have a Hollow bevel center. blue Howlite ear gauge tunnels Only products sold by SoScene are real USA SoScene products . * Colors may vary depending on stone cut ,size and viewing device settings . Stones are sold by stone type not color.