UM Jewelry Stainless Steel Mens Tai Chi Yin Yang Stud Earrings Illusion Tunnel Plug Black White Material: Stainless Steel Color:Black White Gauge Thickness:1.2MM(0.05") Size: 8mm(0.31")wide x8mm(0.31")long x5mm(0.19")thick Comes with black velvet bag,60 days money back guaranteed