starter kit

For Light Flows

$9.99

Free US Shipping

(980+)

For Medium Flows

$9.99

Free US Shipping

(980+)

For Heavy Flows

$13.99

Free US Shipping

(980+)

Get the popular discs for the most comfortable period. No hidden fees. Pause, customize, or cancel anytime.

Why FLEX?

FLEX is for doing more.

  • Up to 12-hour wear, no frequent changes.

  • Mess-free period sex.

  • Sleep, exercise, swim, and more…

  • 60% less waste than tampons & pads.


FLEX is for peace of mind.

  • Reduces cramps and dryness.

  • Not linked to TSS.

  • Hypoallergenic and pH neutral.

  • FDA registered. BPA, phthalate free


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Read our glowing customer reviews

average rating 4.5 out of 5
Based on 1925 reviews
  • 5 Stars
    1471 Reviews
  • 4 Stars
    206 Reviews
  • 3 Stars
    102 Reviews
  • 2 Stars
    67 Reviews
  • 1 Star
    79 Reviews
89% of reviewers would recommend this product to a friend
1925 Reviews
Reviewed by Elizabeth
I recommend this product
Rated 5 out of 5
Review posted

If you’re leaking you’re doing it wrong!

This product is amazing. I have heavy periods and it works great. When I would have leaks in the beginning it’s because i wasn’t putting it high enough inside. Takes some practice. A little messy to remove but lasts all day :)

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Reviewed by Becca
Verified Reviewer
I recommend this product
Rated 4 out of 5
Review posted

I'm a convert!!!

This is one of the few times I have followed through on an instagram ad - but Flex discs are 100% worth a try! Once you learn how to insert (pretty quick learning curve in my experience) these are GREAT. The discs are comfortable, a greener option than going through multiple tampons a day, I've had few to no leaks, and removal isn't too messy. Also, I was super skeptical about the whole "self emptying disc" but holy sh*t it actually works.

The only reason I am taking away one star is that I don't think the Flex disc really follows through on mess-free period sex. It's MUCH easier to encounter leaks and issues here, and to be honest, my partner isn't a fan of how it feels.

Apart from that, I absolutely love these as my new go-to product when I'm on my period.

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Reviewed by Grace l.
Verified Reviewer
I recommend this product
Rated 4 out of 5
Review posted

amazing

very comfortable to have in, i love the self emptying part of it when you use the bathroom, it reduced my level of cramps by quite a bit, i could barely even feel it. i would absolutely recommend, especially if you get bad cramps and/or have a heavy flow.

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Reviewed by Christy
I recommend this product
Rated 3 out of 5
Review posted

I wanted these to work :(

You’re on to something but… while the idea is fantastic (please don’t stop trying) these are still not great for anyone with really heavy period days. If I didn’t work from home, I would have given up 3 days into the first time I tried them. 3 periods later and a lot of ruined panties… I will only use and trust the discs on light days. That said… I freaking love them on the light days!

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  • Your period
  • Your lifestyle
  • Your concerns

Typically, how many days is your period?

How heavy is your flow on your heaviest days?

When did your last period start?

How many weeks do you typically have between periods?

What period product do you use most frequently?

How disruptive can your period be to your life?

What bothers you most about having your period?

What is the one thing you wish you could change about your period?

  • < 2 Days
  • 3 Days
  • 4 Days
  • 5 Days
  • 6 Days
  • 7 Days
  • > 8 Days
LIGHT (1-2 tampons/day)
MEDIUM (3-4 tampons/day)
HEAVY (4-5 tampons/day)
  • < 2 Weeks
  • 3 Weeks
  • 4 Weeks
  • 5 Weeks
  • 6 Weeks
  • 7 Weeks
  • > 8 Weeks
Tampon Tampons
Pad Pads
Menstrual Cup Cup
Menstrual Disc Discs
Period Panties Period Panties
Ellipses Others
Can’t get out of bed
Can’t do certain activities
I mostly feel uncomfortable
Just like any other day
I’m constantly running to the bathroom
I can’t sleep through the night
My work out routine is thrown off
I can’t have sex
I feel uncomfortable
Less cramping
Less odor
Fewer leaks
Risk of TSS
Less waste
If you’re not sure, choose MEDIUM.

All done!

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Here is our pick for you!
Flex Box
plan type
Light plan $6.50
4 Discs per cycle per period
frequency
8 Discs every 2 months
Light Flow Starter Kit
Includes 8 discs + our Getting Started Guide

We will automatically ship 8 discs for $9.99 every two months starting on . We’ll remind you before we process the next order. You can pause or cancel anytime, online.

Flex Box
plan type
Medium plan $12
8 Discs per cycle per period
frequency
16 Discs every 2 months
Medium Flow Starter Kit
Includes 8 discs + our Getting Started Guide

We will automatically ship 16 discs for $18.99 every one month starting on . We’ll remind you before we process the next order. You can pause or cancel anytime, online.

Flex Box
plan type
Heavy plan $14
Discs per cycle per period
frequency
24 Discs every 2 months
Heavy Flow Starter Kit
Includes 12 discs + our Getting Started Guide

We will automatically ship 24 discs for $26.99 every one month starting on . We’ll remind you before we process the next order. You can pause or cancel anytime, online.

Try FLEX with some liners at first.

Sometimes you just feel better with a little backup. FLEX plus liners would be a great combination for you while you transition to FLEX to help guard against leaks until you get the hang of positioning FLEX.

Not ready for membership? Try just one FLEX.

Here is our pick for you

Flex Cup
Flex Cup

FLEX Cup

$34.99 71+ Reviews

1 Menstrual Cup

  • + 1 Carrying Pouch
  • + 2 free Menstrual Discs

The FLEX Cup comes with 2 free FLEX Discs for you to try so that you can experience two new and innovative period products for no extra charge.

Free US Shipping

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