【Materials】Surgical Stainless Steel (Medical Grade Stainless Steel) & Silicone 【Color】Silver 【Size】Earring Post Diameter: Compatible with 0.62mm to 0.92mm (Rarely, it may not stay in place if the notch on the post is shallow) Thank you for viewing. Stamped with "Ochinaikun 2" (Genuine Product) ① To put it on, simply insert it. ② To remove it, pinch "Ochinaikun 2" with the fleshy part of your finger and gently press. Please be careful not to use your fingernails when pinching, as this may tear the silicone. ③ Then, simply pull it out. ※ This is not a 100% non-falling earring back. ※ Not everyone is guaranteed to be free from allergic reactions. ※ The diamond earrings in the photo are not included. ※ This product is not subject to price reduction. Please understand. ※ If you would like multiple items, please inquire via comment beforehand. Gold, silver, and quantity (in pairs) can be combined freely. (Discount available) ※ Replacement silicone available (separate charge) ※ Will be shipped via "Yu-Packet Post Mini". If you prefer, you can also change to "Nekopos". Please let us know in the comment section. (Both are anonymous shipping) ※ Please refrain from returns or exchanges after purchase. ※ Also, due to differences in monitor environments, the actual color of the product may appear slightly different from the photos viewed on smartphones or computers. Please understand. ※ I have put a lot of effort into writing this text. Please refrain from copying and pasting. ^_^; #EarringBack #NonFallingEarringBack #NonFallingEarringBack #EarringBackOchinaikun #LockingEarringBack