Size & Fit Guide
Find your fit
A little guidance to help you choose your Bareli earrings, from post lengths to putting them in.
Understanding your earring
A flatback earring has three parts, and three different measurements.
Front size
The width and height of the earring front. You’ll find it in each product’s details.
Post length
The part that passes through your piercing. We measure it from the inside face of the flat back to the underside of the earring front, so the front and the back disc are not included.
Gauge (post thickness)
This is how thick the post is.
Choosing your post length
Our flatback earrings are available with 6 mm and 8 mm posts. The right length depends on your individual ear and piercing.
6 mm
The shorter option, for piercings where a shorter post provides a comfortable fit.
8 mm
The longer option, for piercings that need more wearable post length.
Neither length is the right answer for every lobe or every cartilage piercing. Ears and piercings vary, so go by the fit you already find comfortable.
Already wear a flatback that fits comfortably? Check its post length as a starting point. If you are unsure, a professional piercer can help you confirm your size.
Checking your gauge (post thickness)
Gauge (post thickness): 16G / 1.2 mm
Every earring in our launch collection has the same gauge.
Gauge (post thickness) is different from post length. Check that the gauge matches your existing piercing before ordering.
Traditional earring posts may be thinner, so having a pierced ear does not automatically mean every flatback will fit.
Never force jewellery through a piercing or try to stretch it yourself. If you are unsure, ask a professional piercer.
Putting your earrings in
Every earring in our launch collection uses the same threadless, push-fit fastening. The earring front has a pin that pushes into the flat back post, so there is nothing to screw.
Wash and dry your hands before you start, then follow the steps below.
How to fit your flatbacks
No screwing needed
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Step 01Pull apart
Gently pull the earring front out of the flatback post.
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Step 02Front feeling loose?
Already secure? Skip this step. If loose, insert the pin halfway into the post and bend very slightly, as shown. Pull it out again before fitting.
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Step 03Insert from behind
Slide the flatback post through your piercing from the back of your ear.
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Step 04Push together
Hold the flat disc behind your ear and push the earring front fully into the post. Check it feels secure.
What comes with your earring?
- Every style in our launch collection is sold as a single earring. Add two to your bag for a matching pair.
- Each earring is made up of an earring front and a flat back post.
- You choose your post length, 6 mm or 8 mm, on each product page.
- Each product page lists the front size and details for that style.
Quick questions
Is post length the same as earring size?
No. Post length is the part that goes through your piercing. Earring size describes the earring front, and it is listed in each product’s details.
How do I know whether I need 6 mm or 8 mm?
If you already wear a flatback that fits comfortably, check its post length and use that as your starting point. 6 mm is the shorter option and 8 mm gives more wearable length. If you are unsure, a professional piercer can confirm your size.
What does 16G mean?
G stands for gauge, a measure of post thickness. 16G is 1.2 mm. With gauge, a lower number means a thicker post.
Will these fit my existing piercing?
Our posts are 16G (1.2 mm). Traditional earring posts may be thinner, so check the gauge your piercing currently wears before ordering. Do not force an earring through or stretch a piercing yourself. If your piercing is new or still healing, speak to your piercer before changing your jewellery.
Are the earrings sold singly or in pairs?
Every earring in our launch collection is sold as a single earring, so you can build your own stack. Order two for a pair.
How does the fastening work?
Our launch earrings are threadless. The earring front has a pin that pushes into the flat back post. Nothing screws in. See Putting your earrings in for the steps.
What if I am unsure which size to choose?
Email us at hello@bareli.co.uk with the style you are considering and we will help where we can. A professional piercer is best placed to confirm the fit for your individual piercing.
Need some help finding your fit?
Email us at hello@bareli.co.uk with your question and the style you’re considering. We’re here to help.
A professional piercer is best placed to confirm the fit for your individual piercing.



