No piercing needed. Easy to wear, just clip them on with the spring-type mechanism! Unisex, so they're easy to share with a partner. The simple design is timeless and versatile, complementing any style. 《Color》 Black 《Size》 Ring (inner diameter): 8mm Thickness: 2.0mm 《Contents》 Set of 2 (for both ears) 《Material》 Surgical stainless steel ・Brand new, unused. ・Imported, no-brand item. ※Color may vary slightly depending on the monitor environment and manufacturing time. ※There may be slight variations in size. 《Please Read》 To ensure prompt shipping, greetings after purchase may be omitted. We will greet you with the shipping notification, so please wait with peace of mind. The product will be sent in a simple package directly in an envelope. Please understand that we do not use bubble wrap or cushioning materials. Please also check the precautions listed in the profile before making a purchase.