【Materials】Surgical Stainless Steel (Medical-grade stainless steel) & Silicone 【Color】Gold 【Size】Earring post diameter: 0.62mm to 0.92mm (In rare cases, it may not stay in place if the groove on the post is shallow) ☆ Gold plating is applied. If you have sensitive skin or metal allergies, please refrain from purchasing. Thank you for viewing! Stamped with "Ochinai-kun 2" ① To put it on, simply insert it. ② To remove it, pinch and press "Ochinai-kun 2" with the pad of your finger. Be careful not to use your fingernails to pinch, as this may tear the silicone. ③ Then, just pull it out. ※ This is not a 100% non-falling earring back. ※ Not everyone will 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, quantity (per pair) - combination is free (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 comments. (Both are anonymous shipping). ※ Returns and exchanges are not accepted after purchase. ※ Due to differences in monitor environments, the actual color of the product may look slightly different from the photos seen on smartphones, computers, etc. Please understand. ※ I have put a lot of effort into writing this text. Please refrain from copying and pasting. ^_^; #EarringBacks #EarringBacksThatDontFallOut #NonFallingEarringBacks #EarringBacksOchinaiKun