Blue Stone Type 18G Stone 2mm Post 4mm Silver Ball 20G Ball 4mm Post 4mm Purchase Price Stone 966 yen Ball 699 yen These are medical-grade surgical stainless steel earrings that are less likely to cause allergies. I bought short ones for my cartilage, but my fingers are thick and they are difficult to put on, so I am selling them. They are not unused, but they have been boiled and alcohol-sterilized for this listing. Please refrain from purchasing if you are concerned.