【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. Engraved with "Ochinkun 2" (Genuine product) ① To put it on, simply insert it. ② To remove it, pinch "Ochinkun 2" with the pad of your finger and gently press. Please be careful not to use your fingernails to pinch, 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 want multiple items, please ask in the comments 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 me know in the comment section. (Both are anonymous shipping) ※ Please refrain from returns or exchanges after purchase. ※ Also, the actual color of the product may look slightly different from the photos on your smartphone or computer due to differences in monitor environments. Please understand. ※ I am working hard to write the text. Please refrain from copying and pasting. ^_^; #EarringBack #NonFallingEarringBack #EarringBackThatDoesntFall #EarringBackOchinkun #LockingEarringBack