Description Bring the rare beauty of the Northern Lights to your jewelry collection with these Aurora Stone Tunnels! Stone plugs are an all-natural and stylish addition to any plug collection. A little heavier than steel, these beautiful Stone plugs are great for everyday wear and are the perfect addition to your growing jewelry collection. Product Details Material: Synthetic Stone  Class: Stone Color: Iridescent Plug Size: 2g - 00g Wearable Area:  12mm Plug Size: 7/16" - 2" Wearable Area: 12mm*Please note that these measurements are based on averages*