PTFE Labret | Bioplast Labret with Steel Ball
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PTFE Labret
(4.1)
Qty
Sold as a SINGLE
$ USD
Made from flexible PTFE, these labrets are perfect for those looking for a little extra comfort in their jewelry.

These are custom CUT TO LENGTH labrets. You get them at approximately 5/8" long and simply snip them to the length you need and the stainless steel balls will self thread onto the shaft!

Be sure to snip them just a tad longer than what you need so by the time the ball threads on it'll be the perfect length :)

In our drop-down menus for adding to cart, we show the gauge of the item you are ordering, then the length/diameter, then the ball size if it has any:

Jewelry is measured through a gauge system (conversion chart below). The higher the gauge number the smaller the wire is. For reference, a standard "earring" is usually 20 gauge. Jewelry gauges can vary between manufacturers. There is no universal regulation on companies to make a standard size in body jewelry. This is because some jewelry is made outside of the USA and measured in millimeters. And in the USA jewelry is measured in inches.

GAUGE CONVERSION CHART:
Gauge Millimeter Inch
20g .81mm
18g 1mm
16g 1.2mm 3/64"
14g 1.6mm 1/16"
12g 2mm 5/64"
10g 2.4mm 3/32"
9g 2.7mm
8g 3.2mm 1/8"
7g 3.5mm
6g 4mm 5/32"
4g 5mm 3/16"
5g 4.5mm
2g 6mm 1/4"
1g 7mm
0g 8mm 5/16"
00g 9mm to 10mm 3/8"
  11mm 7/16"
  13mm 1/2"
  14mm 9/16"
  16mm 5/8"
  19mm 3/4"
  22mm 7/8"
  25mm 1"
Show sizes above 1 inch

Rings

Rings are an essential item that can be worn in many piercings. They come in various styles:
  • Captive bead rings - These use tension to hold a bead in place.
  • Clickers - These use a hinge to open and close the ring.
  • Segment rings - These have a "segment" that comes completely out of the jewelry similar to removing a bead. But it looks like a completely seamless piece of jewelry.
  • Seamless rings - These rings require bending to open & close.
How to measure rings
  • Gauge - This is the thickness of the ring itself.
  • Diameter/Length - Measure directly across the inside center of the ring.

Straight Barbells

Straight barbells are commonly worn in various ear projects, nipples, and tongue piercings.
How to measure straight barbells
  • Gauge - This is the thickness of the post/bar itself.
  • Length - Measure directly across the post between the ends.

Double Flare Plugs / Eyelets / Gauges

Commonly worn in earlobes, but can be worn in other stretched piercings.
How to measure double flare plugs
  • Gauge - Measure the size of the plug across the middle.
  • Wearable area - Measure straight across the side of the plug between where the flares start.
  • Flare size / rise - Measure the distance from the side of the plug to where the flare ends.

Single Flare Plugs / Eyelets / Gauges

Commonly worn in earlobes, but can be worn in other stretched piercings.
How to measure single flare plugs
  • Gauge - Measure the size of the plug across the middle.
  • Wearable area - Measure straight across the side of the plug between where one flare starts and where the o-ring starts.
  • Flare size / rise - Measure the distance from the side of the plug to where the flare ends. (see image of double flare plugs)

No Flare Plugs / Eyelets / Gauges

Commonly worn in earlobes, but can be worn in other stretched piercings.
How to measure no flare plugs
  • Gauge - Measure the size of the plug across the middle.
  • Wearable area - Measure straight across the side of the plug between the o-rings.

Teardrop Shaped Plugs

Worn in earlobes
How to measure teardrop shaped jewelry
  • Gauge - Add the height + width and then divide by 2. Then use the conversion chart to get the closest gauge.
  • Wearable area - Measure directly across the plug between where the flares begin.
  • Flare size / rise - Measure from between the flares to the edge of where the flares end.

Curved Barbells

Curved barbells are commonly worn in various ear projects & eyebrows.
How to measure curved barbells
  • Gauge - This is the thickness of the post/bar itself.
  • Length - Measure directly across the post between the ends.

Circular Barbells

Circular barbells are commonly worn in various ear projects, septums, nipples, and lips.
How to measure circular barbells
  • Gauge - This is the thickness of the post itself.
  • Diameter/Length - Measure directly across the inside center of the circular.
JEWELRY THREADING TYPES

Externally threaded

Internally threaded

Threadless
SIZE COMPARISON GUIDES
Enlarged example of 1" on ruler
Ruler example
16g Black - $4.95
14g Clear/white - $4.95
Customer Photos
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Customer Reviews (217)
4.1 out of 5 stars
57% (29)
14% (7)
18% (9)
2% (1)
10% (5)
5 Posted on 11/29/2021    by Lily
Verified purchase 16g  Black
After reading several reviews about others having difficulty adjusting the size of these I bought two, just in case. I had no problems with the first one. I used a well fitting labret post I already had as a size reference. Once I cut the bar to size and screwed the ball on to create the threads, I heated the ball up just enough to melt the PTFE inside the ball. Once it cooled, it works perfectly! It looks like it was machined.
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3 Posted on 9/11/2020    by Iris
Verified purchase 14g  Black
Good in theory but once i cut it the end was rough and I can't thread the end on straight, it's very hear to screw together when it was in my ear. it's possible I didn't do it right so I don't think it's a faulty product but I don't think it's easy to use
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5 Posted on 8/18/2020    by Sarina
Verified purchase 16g  Clear/white
Excellent as always. These are by far the nicest plastic labret on the site. I will definitely be purchasing more!
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3 Posted on 8/27/2020    by Rooney
Verified purchase 14g  Black
I really love bioplast posts for my labret; I have a horrible habit of chewing on the backs, so metals are a no-go for me at this point. Bioplast admittedly has a shorter lifespan with me, but what's the cost of a new plastic post every few months compared to dental reconstruction? The ones on BodyArtForms are always great, so I went ahead and ordered these recently after my retainer post snapped. Unless you've bought these ones before and know the drill, BUY A SECOND JUST IN CASE. It is deceptively hard to get the ball to thread back in after you've cut the post to size. This was my first time trying this kind so I admit I had no clue what I was doing, but WOW this thing was hard to get right! After adjusting and filing my first one for half an hour to the point of it being a nub, I had to toss that one and move on to my second. I got the hang of it that time and now that it's in it's great! It's very sturdy and not irritating to the skin at all. However, I don't know that the cheaper price tag of this one compared to ones ready to go straight out of the bag makes the frustration worth it. If you have trouble getting the right post length, then 100% go for this! Just remember to get a spare or two for trial and error. If you're already a regular size and just need a quick fix, I'd strongly suggest just getting a different style that isn't DIY cut-to-size. If you do, tiny scissors and a nail file are your best friend. Also take advantage of the free sizing card you can have sent to measure everything out and leave some extra room for the ball; it takes up a bit of space on the overall length which can mess up your measurements. Overall it's a great piece of jewelry, but super tricky to work with and get right. Unless you're more adept at these things than I am (which you probably are tbh), I'd suggest getting a regular labret piece.
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5 Posted on 1/31/2018    by Micah
Verified purchase 16g  Clear/white
I have lupus and am not only very hard to heal, but very sensitive to metals (yes, even surgical and titanium,) especially while healing. Had multiple failed or just plain irritated piercings because of that. Did a lot of research, found out about Bioplast and I swear it's AMAZING! It can be a total pain to get threaded once cut, but it's much easier to use a cone rather than the ball to thread lol, much easier to grab and get on straight. I don't usually write reviews, but I'm seriously impressed with how well I'm healing with this stuff.
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