Style: Natural Black Onyx Heart Shaped Saddle Plug Gauges Material: Natural Black Onyx Sizes Available: From 2Ga (6Mm) To 5/8" (16Mm) Sold As A Pair Please Note: Due To The Nature Of Organic Materials, There May Be Slightly Variations In Color And Tone. Currently unavailable: 6mm (2GA), 12mm (1/2"), 16mm (5/8"), 8mm (0GA), 10mm (00GA), 14mm (9/16") variants. Available sizes: 2GA (6mm) to 5/8" (16mm). Note: Natural black onyx may have slight color and tone variations due to its organic nature.