---
product_id: 216817514
title: "400pcs Hypoallergenic Stainless Steel Earrings Posts Flat Pad Blank Earring Pin Studs with Butterfly Earring Backs for Jewelry Making Findings (4mm)"
brand: "youdiyla"
price: "₩19844"
currency: KRW
in_stock: true
reviews_count: 8
category: "Youdiyla"
url: https://www.desertcart.kr/products/216817514-400pcs-hypoallergenic-stainless-steel-earrings-posts-flat-pad-blank-earring
store_origin: KR
region: South Korea
---

# 12mm length, 4mm flat pad precision 400pcs hypoallergenic stainless steel anti-corrosion & stain resistant durability 400pcs Hypoallergenic Stainless Steel Earrings Posts Flat Pad Blank Earring Pin Studs with Butterfly Earring Backs for Jewelry Making Findings (4mm)

**Brand:** youdiyla
**Price:** ₩19844
**Availability:** ✅ In Stock

## Summary

> ✨ Elevate your DIY jewelry game with flawless, hypoallergenic studs! ✨

## Quick Answers

- **What is this?** 400pcs Hypoallergenic Stainless Steel Earrings Posts Flat Pad Blank Earring Pin Studs with Butterfly Earring Backs for Jewelry Making Findings (4mm) by youdiyla
- **How much does it cost?** ₩19844 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/216817514-400pcs-hypoallergenic-stainless-steel-earrings-posts-flat-pad-blank-earring)

## Best For

- youdiyla enthusiasts

## Why This Product

- Trusted youdiyla brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision Engineering:** 12mm posts with 4mm flat pads designed for perfect bead or crystal placement every time.
- • **Secure & Comfortable Fit:** Includes 200 butterfly backs engineered for lightweight, reliable wear without pinching.
- • **Hypoallergenic Confidence:** Crafted from premium stainless steel to keep your ears irritation-free all day long.
- • **Trusted Quality & Support:** Join over 1,100 happy creators with a 4.7-star rating and responsive customer service for peace of mind.
- • **Endless Customization Power:** Create unique, personalized earrings with easy-to-glue flat pads—your creativity, your signature style.

## Overview

This 400-piece set features 200 stainless steel hypoallergenic earring posts with 4mm flat pads and 200 butterfly backs, designed for durable, corrosion-resistant, and comfortable jewelry making. Perfectly sized for versatile customization, these studs empower creators to craft personalized earrings with confidence and style.

## Description

Package includes:200 pieces 4 mm earring pin studs,200 pieces butterfly earring backs

Review: Good quality. - Good price. 6mm is as small as I want to go. Glad to find them here.
Review: Perfect for many sizes of studs! - These were perfect for my 1/8 of an inch porcelain stud earrings and also fit my half inch strawberries! Would totally buy again. And will. A great multi-use design for many sizes.

## Features

- ①Package includes:200 pieces 4 mm earring pin studs,200 pieces butterfly earring backs
- ②You can use your imagination to create your own earrings, just use hot liquid glue to stick the beads or crystals on the earrings post flat pad. You can even share that fun with your friends and family
- ③Our hypoallergenic earring making supplies are Made of stainless steel, anti corrosion and stain resistant, durable and sturdy, lightweight, easy to use and keeps a long time
- ④The earring posts pin is 12 mm in length, 4 mm pad in diameter, 0.7 mm pin thickness. The butterfly earring backs is 5 mm in length, 3.5 mm in thickness.
- ⑤Youdiyla Only offer your the best product and best service, If you have any question about the product, feel free too contact us for replacement. Thank you.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B087WNDTW6 |
| Best Sellers Rank | #12,548 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #115 in Earring Backs & Findings |
| Brand | Youdiyla |
| Brand Name | Youdiyla |
| Color | Silver |
| Customer Reviews | 4.7 out of 5 stars 1,176 Reviews |
| Finish Type | Brushed |
| Item Height | 1 centimeters |
| Item Weight | 0.02 Kilograms |
| Manufacturer | Youdiyla |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Number of Pieces | 400 |
| Product Style | Stud |
| Style | Stud |

## Product Details

- **Material:** Stainless Steel
- **Color:** Silver
- **Style:** Stud
- **Brand:** Youdiyla
- **Item Weight:** 0.02 Kilograms

## Images

![400pcs Hypoallergenic Stainless Steel Earrings Posts Flat Pad Blank Earring Pin Studs with Butterfly Earring Backs for Jewelry Making Findings (4mm) - Image 1](https://m.media-amazon.com/images/I/51nRum59hDL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality.
*by T***D on September 3, 2025*

Good price. 6mm is as small as I want to go. Glad to find them here.

### ⭐⭐⭐⭐⭐ Perfect for many sizes of studs!
*by C***B on December 24, 2025*

These were perfect for my 1/8 of an inch porcelain stud earrings and also fit my half inch strawberries! Would totally buy again. And will. A great multi-use design for many sizes.

### ⭐⭐⭐⭐⭐ Great for the amount and price
*by E***E on June 24, 2025*

They are great for the price. I usually I am sensitive to these, but seem to work for me, no reaction.

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.kr/products/216817514-400pcs-hypoallergenic-stainless-steel-earrings-posts-flat-pad-blank-earring](https://www.desertcart.kr/products/216817514-400pcs-hypoallergenic-stainless-steel-earrings-posts-flat-pad-blank-earring)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-26*