SINGLE
PAIR
Free Shipping Over $75
365-Day Guarantee
4.6 Star Reviews
Sleep Friendly
Hypoallergenic
Waterproof
DESCRIPTION
Who wants to be nice if this is the coal that ends up in your stocking?! Gorgeous, sparkly, and versatile, this black zirconia flat back stud works in many different piercing locations.
This listing is for a single ASTM F136 implant grade titanium push-pin flat back stud.
Note that if you are a Studs of the Month box member, these are the studs that you received in the November box.
Measurements:
- 18 GA (1mm)
- Post is 1/4 inch (6mm) in length, with a 4mm disc on back.
- Approx. size of front piece is 6mm x 2mm. Refer to listing images to get an idea of the size of the stud on-ear. Check your own ear measurement before ordering
Materials: 18K PVD Gold Plated Titanium, Titanium, Zirconia
Care: Water and tarnish proof with proper care. If exposed to salt water, chlorine, or lotions/perfumes, rinse off with cool-warm water and gently dry. When not wearing, store in a dry, cool place. Do not pull, twist, or tug on your jewelry.
CARE
Soak your studs in a bowl filled with warm water and a few drops of dish soap for about 15 minutes.
Gently scrub your jewelry with a q tip or soft cloth to remove any buildup or debris.
Store in a safe place when not in use.
Handle with care.
365 DAY GUARANTEE
At Cords Club, we are committed to providing durable and high-quality products. That's why we offer a 365 Day Guarantee on all our items. If you experience any defects or issues within the first year, simply contact us for a hassle-free replacement. Enjoy peace of mind and shop with confidence knowing that your satisfaction is our top priority!
LIGHTNING FAST SHIPPING
Our dedicated in-house shipping team carefully packs and ships your orders within 4 business days. We often ship even sooner, but during peak launches or especially busy times, we appreciate your patience as we do our best to stay within this timeframe. Every order is handled with care from start to finish, so you can shop confidently knowing your pieces will reach you safely.
SINGLE
PAIR
Free Shipping Over $75
365-Day Guarantee
4.6 Star Reviews
Sleep-Friendly
Hypoallergenic
Waterproof
DESCRIPTION
Who wants to be nice if this is the coal that ends up in your stocking?! Gorgeous, sparkly, and versatile, this black zirconia flat back stud works in many different piercing locations.
This listing is for a single ASTM F136 implant grade titanium push-pin flat back stud.
Note that if you are a Studs of the Month box member, these are the studs that you received in the November box.
Measurements:
- 18 GA (1mm)
- Post is 1/4 inch (6mm) in length, with a 4mm disc on back.
- Approx. size of front piece is 6mm x 2mm. Refer to listing images to get an idea of the size of the stud on-ear. Check your own ear measurement before ordering
Materials: 18K PVD Gold Plated Titanium, Titanium, Zirconia
Care: Water and tarnish proof with proper care. If exposed to salt water, chlorine, or lotions/perfumes, rinse off with cool-warm water and gently dry. When not wearing, store in a dry, cool place. Do not pull, twist, or tug on your jewelry.
CARE
Soak your studs in a bowl filled with warm water and a few drops of dish soap for about 15 minutes.
Gently scrub your jewelry with a q tip or soft cloth to remove any buildup or debris.
Store in a safe place when not in use.
Handle with care.
365-DAY GUARANTEE
At Cords Club, we are committed to providing durable and high-quality products. That's why we offer a 365 Day Guarantee on all our items. If you experience any defects or issues within the first year, simply contact us for a hassle-free replacement. Enjoy peace of mind and shop with confidence knowing that your satisfaction is our top priority!
LIGHTNING-FAST SHIPPING
Our dedicated in-house shipping team carefully packs and ships your orders within 4 business days. We often ship even sooner, but during peak launches or especially busy times, we appreciate your patience as we do our best to stay within this timeframe. Every order is handled with care from start to finish, so you can shop confidently knowing your pieces will reach you safely.
Trusted by over 250,000 happy customers.
SINGLE
PAIR
Sleep-Friendly
Hypoallergenic
Waterproof
DESCRIPTION
Who wants to be nice if this is the coal that ends up in your stocking?! Gorgeous, sparkly, and versatile, this black zirconia flat back stud works in many different piercing locations.
This listing is for a single ASTM F136 implant grade titanium push-pin flat back stud.
Note that if you are a Studs of the Month box member, these are the studs that you received in the November box.
Measurements:
- 18 GA (1mm)
- Post is 1/4 inch (6mm) in length, with a 4mm disc on back.
- Approx. size of front piece is 6mm x 2mm. Refer to listing images to get an idea of the size of the stud on-ear. Check your own ear measurement before ordering
Materials: 18K PVD Gold Plated Titanium, Titanium, Zirconia
Care: Water and tarnish proof with proper care. If exposed to salt water, chlorine, or lotions/perfumes, rinse off with cool-warm water and gently dry. When not wearing, store in a dry, cool place. Do not pull, twist, or tug on your jewelry.
CARE
Soak your studs in a bowl filled with warm water and a few drops of dish soap for about 15 minutes.
Gently scrub your jewelry with a q tip or soft cloth to remove any buildup or debris.
Store in a safe place when not in use.
Handle with care.
365-DAY GUARANTEE
At Cords Club, we are committed to providing durable and high-quality products. That's why we offer a 365 Day Guarantee on all our items. If you experience any defects or issues within the first year, simply contact us for a hassle-free replacement. Enjoy peace of mind and shop with confidence knowing that your satisfaction is our top priority. Try CordsClub risk-free today!
LIGHTNING-FAST SHIPPING
Our dedicated in-house shipping team carefully packs and ships your orders within 4 business days. We often ship even sooner, but during peak launches or especially busy times, we appreaciate your patience as we do our best to stay within this timeframe. Every order is handled with care from start to finish, so you can shop confidently knowing your pieces will reach you safely.
Free Shipping
Over $75
365-Day
Guarantee
Highly
Reviewed
Trusted by Over a Quarter Million Happy Ears
Tia C.
Verified Customer
Perfect for almost any piercing! I’ll use it elsewhere once I add more piercings to my ears! Love!!
Amanda H.
Verified Customer
Everyone needs this one!!!
This tiny bow is so dainty and cute! Perfect size for my stacked lobe
Alison B.
Verified Customer
Looks so cute in my forward helix! Will likely get another one for my newest forward helix, I love her!
Andrea S.
Verified Customer
I wear these almost everyday. They're cute but also lightweight so I don't feel like they're stretching my ears at all
Briana C.
Verified Customer
Sparkly!! Gorgeous little hoops!
They shine super bright, and are
super comfortable!
4 Reasons Why
You Need Cords Club Flat Backs
in your life
Reason #1:
Comfort
Sleep-proof, won’t poke you, and can be worn all day and night
Reason #2:
Happy Piercings
Made from implant-grade materials that are perfect for sensitive ears
Reason #3:
No Green Skin
Waterproof, tarnish-proof jewelry that’s been tested and designed to last
Reason #4:
You + Cords Club
Join a collaborative, stylish club and share your jewelry ideas with us!
Reason #1:
Comfort
Sleep-proof, won’t poke you, and can be worn all day and night
Reason #2:
Happy Piercings
Made from implant-grade materials that are perfect for sensitive ears
Reason #3:
No Green Skin
Waterproof, tarnish-proof jewelry that’s been tested and designed to last
Reason #4:
You + Cords Club
Join a collaborative, stylish club and share your jewelry ideas with us!
Frequently Asked Question
We’ve got answers to all your Cords Club questions, from shipping to stacking.
I'm new to flat backs. What is the most important thing for me to know?
The first thing you'll want to learn is how to keep your Flat Backs nice and secure. Just like you'd tie your running shoes to make sure they stay on your feet for a run, you'll need to adjust your Flat Backs to keep them in place, too!
But don't worry! It's an easy peasy process, and we'll help you through the learning curve. <3
Here are a few resources to get you started:
* Review the Flat Back tips and tricks info guide included with your order
* Check out this helpful playlist of how-to videos
* Connect with our customer service team for personalized help
What size are the flat back earrings?
Cords Club's Flat Backs are 18 gauge and come with a 6mm long Flat Back post.
A 6mm post is a great length for most people, so we d recommend starting there!
We do also have a range of other sizes available and sold separately. If you have questions about sizing, we'd love to help!
Are your flat backs sold individually? Or in pairs?
Our Flat Backs are sold individually, so make sure to add 2 to your cart if you'd like a pair!
Do I need to buy the flat back applicator, too?
Our Flat Back Applicator is a great tool but it's not necessary! The Flat Back Applicator is designed to help make the process of changing your flat backs faster and easier, but you can definitely change your earrings without one. The choice is totally up to you!
Our Everyday Prices
are their Black Friday Prices
Moon Flat Back Stud - Compared Across 4 Brands
CORDS CLUB
$15
Moon Flat Back - Single
COMPETITOR AVG.
$36
Moon Flat Back - Single
Single Stud
Pair of Studs
Material
Hypoallergenic
Nickel-Free
Warranty
CORDS CLUB
$15
our price
$30
$27
$30
our price
ASTM F136 Titanium
ASTM F136
Titanium
365-day
BRAND A
$30
2.0x more
$60
2.0x more
ASTM F136 Titanium
ASTM F136
Titanium
none
Final Sale - no recourse
BRAND B
$38
2.5x more
$76
2.5x more
ASTM F136 Titanium
ASTM F136
Titanium
30-day
$10 fee
BRAND C
$40
2.7x more
$80
2.7x more
ASTM F136 Titanium
ASTM F136
Titanium
365-day
Comfortable For 24/7 Wear
Sleep, Shower, And Workout Friendly
Hypoallergenic And Nickel Free
Lightweight And Secure
Comfortable For 24/7 Wear
Sleep, Shower, And Workout Friendly
Hypoallergenic And Nickel Free
Lightweight And Secure
Comfortable For 24/7 Wear
Sleep, Shower, And Workout Friendly
Hypoallergenic And Nickel Free
Lightweight And Secure
Apply Your Flat Back Studs In Seconds
New to flat backs? Watch our videos to see how simple they are to apply.
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SHOP BEST SELLERS
Highly Recommended for Sensitive Ears
- Emma A.YesterdayRated 5 out of 5 starsLove the black and gold!
I love the size of this gem and how well the black and gold complement each other! Goes great in the stack I chose and matches my vibe perfectly
CCCords Club7 hours agoHi Emma!
The Lump of Coal Flat Back Stud really brings that perfect black and gold contrast together—so cool that it matches your vibe and fits seamlessly into your stack! ✨ We love how this gem adds just the right touch of edgy elegance while being the perfect size. Sounds like it's exactly what your setup needed! 💖 Thanks for the amazing 5-star review!
😘~ Elvie with Cords Club
- TABATHA P.Verified Buyer2 months agoRated 5 out of 5 starsFavorite Flatbacks
I love that these still add a bit of sparkle and I can still wear them even when my skin is super irritable since they're titanium :) Though I have to remember to check the tension on all my flatbacks regularly so I don't lose any again, but they're comfortable enough that I forget that I'm wearing them.
CCCords Club2 months agoHi Tabatha!
We're so happy to hear these have become your favorite flatbacks! It's wonderful that the titanium works so well for your sensitive skin while still giving you that perfect sparkle. And yes, that's exactly what we love about them—they're so comfortable you truly forget you're wearing them! Thanks for the helpful reminder about checking tension too; that's such great advice for everyone.
✨ Jace with Cords Club - Elizabeth P.Verified Buyer2 months agoRated 4 out of 5 starsSnags
Looks great, edges frequently snag on fabric like towels, shirts, scarves
CCCords Club2 months agoHi Elizabeth!
We're so glad you love the look of them! Thanks for the heads up about the snagging—we really appreciate the feedback. It's helpful to know how they're working in everyday wear. ✨
🍀 Jace with Cords Club - Kellie5 months agoRated 5 out of 5 stars5 Stars
Beautiful! A little smaller than i expected for the price, but worth it. My daughter will love them!
CCCords Club5 months agoHi Kellie!
Thanks so much for the 5-star review! We’re glad the Lump of Coal Studs are beautiful and gift-worthy. –Hope with Cords Club
- Andrea H.Verified Buyer6 months agoRated 4 out of 5 starsVery cute but smaller that I expected
I would have liked the stone to be bigger because I really wanted to wear this one in my conch!
CCCords Club6 months agoHi Andrea! 💫 Thanks so much for the thoughtful feedback — we hear you on the sizing! Some of our styles are a bit daintier by design, but we totally get wanting a bolder look for a conch placement. We’ll keep this in mind as we expand our charm lineup! So glad you still found it cute 💛
Jace with Cords Club 🌿
Top-Tier Customer Service
Have questions? Our amazing in-house customer service team is ready to answer them!
10,000+ Verified 5-Star Reviews
Loved by thousands of happy ears (and counting).
Fast & Secure Shipping
Get your orders ASAP. Our in-house shipping team packs all orders within 1-2 business days!
365-Day Warranty
We stand by every Cords Club product’s durability & quality. Try risk free, today!
Love Flat Backs?
Two Studs for the Price of One. Every Month.
Customer Favorite
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have a question?
Check out our FAQ page for answers to our most frequently asked questions and to contact us!