Flex Disc
Hand holding folded menstrual disc next to text indicating comparable tampon size
Menstrual discs shown outside packaging with wrapper and plant decor in background
Box of 12 Flex period discs with a single disc shown in front and customer review text.
Menstrual disc with wrapper packaging and icons highlighting product features
Hand holding menstrual disc near waist with text stating user feedback statistic
Side-by-side comparison of disposable menstrual disc and reusable disc and feature list.
Side-by-side comparison of old and new Flex menstrual disc packaging, both showing 12-count boxes.
Flex Disc
Hand holding folded menstrual disc next to text indicating comparable tampon size
Menstrual discs shown outside packaging with wrapper and plant decor in background
Box of 12 Flex period discs with a single disc shown in front and customer review text.
Menstrual disc with wrapper packaging and icons highlighting product features
Hand holding menstrual disc near waist with text stating user feedback statistic
Side-by-side comparison of disposable menstrual disc and reusable disc and feature list.
Side-by-side comparison of old and new Flex menstrual disc packaging, both showing 12-count boxes.
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4.5
Rated 4.5 out of 5 stars
2,189 Reviews

Flex Disc

$16.49
Flex Disc is a disposable menstrual disc that provides 12-hour comfort and leak protection for every type of flow.

Say goodbye to cramping, odor, or disruptions to your vaginal pH. Plus, each disc holds 5+ super tampons of flow, so you can go all day without frequent changes, even while sleeping.

12 single-use menstrual discs

Medical-grade polymer blend, mineral oil, < 2% non-toxic carbon black (for rim color), < 1% antioxidant polymer stabilizer.
ISO 10993-TESTED

Not made with BPA, phthalates, or natural rubber latex

Icon of a Clock to indicate up to 12 hour wear
12-hour leak protection
Icon for Easy to Insert and Remove
Easy to insert & remove
Icon for Mess Free Period Sex
Mess-free period sex
Icon to show capacity of 5 super tampons
Capacity of 5+ super tampons
HSA/FSA eligible
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Why you’ll love Flex Disc

Designed for comfort

The rim's ComfortSeal™ technology warms and forms to your body for a
personal fit that keeps you comfy during exercise, sleep, sex and more.

Body-safe materials

No BPA, phthalates, or natural rubber latex. Only 100% medical-grade
polymers that don't host toxic bacteria or disrupt your vagina's natural
pH balance.

Fewer cramps

Because it sits in the vaginal fornix instead of the canal, 64% of Flex Disc users report fewer cramps while using the disc.

12-hour wear

The catch collects five times more blood than a super tampon AKA you can spend less time in the bathroom and more time living your life.

Flex disposable menstrual disc key features
A person smiling and showing a Flex Menstrual Disc

Why subscribe?

1- Flex for less

Suscribe and get the lowest price—guaranteed (vs. buying in stores).

2- Delivered to your doorstep

Never run out of period products again. Get Flex delivered on your terms.

3- You’re in control

Manage your subscription via your online account so you receive exactly as many discs as you need (no more, no less).

Learn More

Flex Disc customer reviews

4.5
Rated 4.5 out of 5 stars
Based on 2,189 reviews
Total 5 star reviews: 1.7k Total 4 star reviews: 230 Total 3 star reviews: 123 Total 2 star reviews: 76 Total 1 star reviews: 90
88%would recommend this product
Write a Review (Opens in a new window)
2,189 reviews
  • J
    Jesse
    Verified Reviewer
    4 days ago
    Rated 3 out of 5 stars
    Not completely sold yet...

    I have been using period underwear for many years and love them, but they are bulky, and not ideal for vacations, or days in or around water. So I decided to try the flex disk for these occasions, as I don't think I can ever go back to tampons at this point. Inserting was easy, and I couldn't feel it at all throughout the day.. + for the flex disk. I don't generally have debilitating cramps but they're there and did not feel any less present with the flex disk in. The fact that it empties when you pee is great, but as other reviewers have mentioned, those muscles are sometimes used when doing other things (a big sneeze, a heavy lift, etc) so that can be a little scary - I would suggest having a backup the first time you try. I didn't experience that but I did wear my period underwear, just in case, and tried it on my easiest at days at work so no heavy lifting and was careful when sneezing.... Overall - it's not bad but my biggest complaint is the fact that you have to put it back in place after you pee, to avoid leaking. I drink a lot of liquids during the day so I pee, a lot, and I work in a place where I don't have access to my own bathroom, I usually have to use a public restroom. So having to put it back in place after you pee, when you can't access a sink to wash your hands in before you do it, is pretty tricky. I will keep them around in place of tampons for certain occasions but I don't think they will replace my period underwear quite yet.

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  • KA
    Kim A. B.
    2 weeks ago
    Rated 5 out of 5 stars
    Absolute Game Changer

    I first tried them 2023. I used Cups before but wanted to try Discs for the longest. I hate Tampons and Pads. Flex was a Game Changer for me. Currently we are in Germany and I even have them shipped here since they are not available on Base or in any local Drugstore. So worth it. My Period was usually super heavy and long. Now since using the Discs and Period Panties my Flow isn’t as heavy and long anymore. It took some Practice to get them sit comfortably but once you figure it out it’s smooth sailing.

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  • EC
    Erin C.
    2 weeks ago
    Rated 5 out of 5 stars
    Game Changer!

    Less cramps, less mess, no more tampons!

    Perfect for swimming!

    Was this helpful?
  • AV
    A V. H. C.
    2 weeks ago
    Rated 5 out of 5 stars
    Every period go to (for myself at least.)

    Okay, so when I first discovered these I wasn't sure. I did so much research lol. The first time it hurt, not terribly just like a stretch typa hurt. But it was only the first 3 times (I genuinely think I was doing something wrong lol) but after figuring out what the easiest way to use for me was it's been smooth sailing. I have the reusable disks as well. I have heavy periods and generally I don't have to wear a liner while wearing the flex disk (sometimes leaks occur but like I said I am a heavy bleeder).

    I could keep going about how this is an amazing product. Highly recommend. Super convenient and clean.

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  • A Profile picture for Abbie
    Abbie
    Verified Reviewer
    3 weeks ago
    Rated 5 out of 5 stars
    10/10 recommend ✨

    I bought the flex menstrual cup a little while ago and have found it to be somewhat uncomfortable.

    But, 2 of these came in the box with the cup and I decided to try it & I will not be going back to the cup or tampons.

    No leaking, easy to insert, self emptying, no messy period sex, etc….

    BUY IT :)

    Was this helpful?
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