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

Write a Review
average rating 4.5 out of 5
Based on 1858 reviews
  • 5 Stars
    1426 Reviews
  • 4 Stars
    198 Reviews
  • 3 Stars
    94 Reviews
  • 2 Stars
    64 Reviews
  • 1 Star
    76 Reviews
89% of reviewers would recommend this product to a friend
1858 Reviews
Reviewed by sophie
I recommend this product
Rated 5 out of 5
Review posted

revolutionary!

MESS FREE PERIOD SEX AND MOST OF PARTNERS DONT EVEN KNOW ITS THERE! Less cramps less funky smells and i literally forget it’s there. One partner who was well endowed could feel it but it’s very easy to push back further. seriously i’m never going back to tampons or pads. works great even when i just have spotting- no worries of rug burn in my vagina! I seriously recommend it to everyone.

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

I am old and this is a period changer for me.

I have experienced minimal leaks (while getting used to the disc) and fewer, less intense cramps. It is a learning curve, but the directions are straightforward and helpful.

Where has this been all of my life?

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

Incredible period experience

After having three kids I could no longer stomach the feeling of a tampon in my body. I tried flex disk and I feel freed of all menstruation worries! I have been enjoying 12 hours leak free protection plus plenty of great period sex sessions. My husband is unaware of when I am on my period due to the flex disks ability to tuck everything neatly away. It’s incredible. I am loving this new period technology!

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

No leaks!

A woman I work with referred me to this product and I enjoy its benefits

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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.
I don't know
Tap here if your cycle is shorter than 26 days or longer than 32 days.
My cycle is too irregular to predict

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 $25.99 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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