Earring Backs — 3 Materials
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Earring backs are the small components that secure a piercing post behind the earlobe — and the material they're made from directly affects comfort, security, and how they look from behind. We offer three options: sterling silver 925, sterling silver 925 with 14K gold plating, and silicone. Each has its own strengths, and the right choice depends on how and where you wear your earrings.
Sold as a pair (2 pieces) per set. Replacing earring backs regularly helps keep your jewellery secure and your piercings comfortable over time.
Sterling Silver 925 Backs
CT260501
- 925 sterling silver — the highest purity silver, with minimal alloy content that keeps the material gentle against the skin
- Nickel-free and lead-free. A safe choice for those with metal sensitivities or skin that reacts to standard alloys
- The natural softness of 925 sterling silver gives these backs a light, comfortable hold — secure enough for daily wear without pinching or pressure
- The silver colour coordinates naturally with silver-toned earrings, so even when visible behind the ear, they look neat and intentional
Sterling Silver 925 × 14K Gold Plated Backs
CT260502
- A sterling silver 925 base with 14K gold plating on the surface — a refined finish that reads as quality even when glimpsed behind the ear
- Works equally well with silver and gold earrings, making it a versatile choice for anyone who mixes metals or wants a universal back that suits any pair
- Sterling silver 925 base means the part that sits against the skin remains nickel-free and lead-free, with the gold plating adding an extra barrier on the outer surface
- Ideal for gold-tone jewellery looks, or for anyone who wants the backs to complement rather than contrast with the rest of their jewellery
Silicone Backs
CT260503
- Lightweight and soft against the earlobe — the low weight reduces pressure and fatigue during extended wear, making them well suited for all-day use
- The silicone grips the post with a secure, flexible hold that keeps earrings in place through movement — a reliable option for active days or when you'd rather not think about losing a pair
- A practical choice for sport, travel, or any situation where secure fit matters more than appearance
- Easy to replace as a consumable — keeping a supply of fresh backs makes it simple to maintain hygiene and replace worn-out pieces without fuss
Product Details
| SKU | CT260501 (Sterling Silver 925) / CT260502 (Sterling Silver 925 × 14K Gold Plating) / CT260503 (Silicone) |
|---|---|
| Contents | 1 pair (2 pieces) per set |
| Material |
CT260501: Sterling Silver 925 CT260502: Sterling Silver 925 × 14K Gold Plating CT260503: Silicone |
| Compatibility | Standard piercing posts (approx. 0.6–0.8mm diameter) |
* Earring backs are consumable items. We recommend replacing them periodically.
* If you have metal allergies, please check the material specifications before purchasing.
* Silicone backs may degrade over time. Replace if you notice deformation or hardening.
SMUK is a Tokyo-based sustainable jewelry brand founded on the philosophy of "Less trash, more marine life" and "Save Wildlife."
Crafted from high-quality sterling silver (925), our pieces are beautifully finished with rhodium or 18K gold plating. We also offer 14K solid gold jewelry, along with refined lines featuring natural gemstones carefully sourced from around the world.
- Due to the nature of the manufacturing process and materials, slight variations in color, shape, or size may occur between individual items. We appreciate your understanding.
- Items made with natural materials each have their own unique character in pattern, color, and inclusions. Product photos are for reference only, and the actual item may differ slightly in appearance and texture.
- While we make every effort to reproduce the true colors as accurately as possible, the appearance may vary depending on lighting conditions and your monitor settings.
- Pre-order items require advance payment and cannot be cancelled once the order has been placed.
- We are unable to accept returns or exchanges for the reasons stated above. In the unlikely event that an item arrives defective or damaged, we will assist you in accordance with our return and refund policy. Before placing your order, please be sure to review our ［Return & Refund Policy］ and ［Shipping Information］.
Pre-order items are products that are currently in production or awaiting restock and cannot be shipped immediately. Please review the following points carefully before placing your order.
- We reserve your stock once the order is confirmed; however, the shipping date may vary depending on production and logistics conditions.
- Payment is required in advance, and orders cannot be cancelled or returned once placed.
- If you order regular items and pre-order items together, all items will be shipped together once everything is ready. If you need the in-stock items sooner, please place separate orders.
- The estimated shipping date is listed on each product page, but it is only a guide and does not guarantee the delivery date.
- In the unlikely event of a production discontinuation or a significant stock shortage, we will contact you individually to arrange a cancellation or refund.
- Changes to an order after it has been placed (item, quantity, shipping address, etc.) cannot be accepted, so please review your order carefully before confirming.
■ Estimated Delivery
▼ Domestic (Japan) | Flat rate ¥500
※ Free shipping on orders over ¥10,000.
Delivered approx. 2–3 business days after your order.
▼ International
・Asia: approx. 4–7 business days | Flat rate ¥3,000
・Other regions: approx. 7–14 business days | Flat rate ¥6,000
■ Dispatch
・Orders before 10:00 AM: same-day dispatch
・Orders after 10:00 AM: same day or next business day
※ Excluding weekends, public holidays, and year-end/New Year.
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You can track your order via the link in the "Shipment Confirmation Email" sent after dispatch.
[Payment Methods]
・Immediate payment: Credit card / PayPal / PayPay / Apple Pay / Google Pay
・Deferred payment: Bank transfer / Convenience store payment / Pay-easy
[Payment Timing]
・Immediate payment: Payment is completed when your order is confirmed, and we begin preparing your shipment right away.
・Deferred payment: Please complete payment within 3 days of your order date. Your item will be shipped once payment is confirmed.
※ A separate handling fee of 220 yen (tax included) applies to convenience store and Pay-easy payments.
Sterling Silver 925 | In Harmony with Nature
At SMUK, we believe in the power of nature.
That is why we value the intrinsic qualities of our materials and have chosen Sterling Silver 925 as our primary material.
Just like natural gemstones, silver is believed to carry a gentle, nature-derived energy. Throughout history, it has been associated with intuition, emotions, and protection, quietly accompanying people in their everyday lives.
In recent years, jewelry made from stainless steel or brass with a silver-colored coating has become increasingly common. Although they may look similar, differences in the materials themselves can make a significant difference in skin compatibility and wearing comfort.
At SMUK, we carefully select our materials with honesty and integrity, down to the details you cannot see, to create jewelry that feels comfortable and can be cherished for years to come.
▼ Discover More
"Why Sterling Silver 925: Jewelry in Harmony with Nature"
SMUK uses four types of plating finishes, selected according to the materials and intended use of each piece of jewelry.
- Rhodium Plating
A finish made with a rare precious metal from the platinum group. It offers excellent resistance to tarnishing and scratches, with a clear, bright silver tone. Suitable for those with sensitive skin. - 18K Gold Plating
A finish made by coating sterling silver with 75% pure gold. It creates a rich, warm gold tone. - 14K White Gold Plating
A white gold finish with 58.3% pure gold content. Its soft, elegant white tone pairs beautifully with pearls and delicate designs. - Gold Vermeil
A finish featuring a thick gold layer of at least 2.5 microns over a Sterling Silver 925 base. It offers greater durability than standard plating, allowing its brilliance to last longer.
Learn more:
Jewelry Plating Guide
