These are simple ball stud earrings made of 316 surgical stainless steel. Color: Silver Size: Diameter 4mm ball, pin thickness 0.8mm Material: 316 surgical stainless steel Quantity: 2 pieces (1 pair) * Surgical stainless steel is also used in medical instruments and is resistant to discoloration and rust, making it low-irritant and less likely to cause allergies. (However, it does not guarantee that no one will have an allergic reaction.) * Although we check the opening and closing of each hoop earring, if it is too tight or too loose upon arrival, please adjust the opening of the clasp with pliers. ★ 30 yen discount from the second item onwards. If you would like to purchase multiple items, please comment before purchasing. Individual purchases are not eligible for a discount. ⏬ Product List ⏬ #MeJewelry These are imported products. They will be delivered in simple packaging via regular mail.