4.6
Rated 4.6 out of 5 stars
567 Reviews

Flex Cup

The only menstrual cup in the world that removes like a tampon because of our adjustable, patented pull-tab. But unlike tampons, you can wear our period cup for up to 12 hours. 

Flex Cup is body-safe, reusable, made with medical-grade silicone, and can last up to 10 years.

Size

Flex Cup with a carrying pouch, plus 2 free single-use Flex Discs

Size 1: Capacity of 2 super tampons (22mL) and for first-time menstrual cup users and pros with light or heavy flows. 43mm x 46mm.


Size 2: Capacity of 3 super tampons (30mL) and for experienced menstrual cup users who prefer a larger size or who have had 2+ vaginal births. 46mm x 53mm.

Soft Flex Cup: 100% medical-grade silicone, < 3% non-toxic carbon black (for color)

Flex 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 to show the pull tab on Flex Menstrual Cup
Patented pull-tab removes like a tampon
A thumbs up Icon to indicate the product is beginner friendly
Made for beginners
Save Mother Earth Icon of two hands holding planet Earth
Zero-waste & lasts for years
HSA/FSA eligible

Why you’ll love Flex Cup

Velvety-soft feel

Designed with your comfort in mind.

Body-safe materials

Made from 100% medical-grade silicone.

100% reusable

Great for your wallet. Even better for the planet.

Patented pull-tab

Beginner-friendly. Adjustable in length. Removes like a tampon.

Flex menstrual cup main features
Hand holding a folded menstrual cup to demonstrate compression for insertion

3 ways to insert Flex Cup

There are many ways to insert Flex Cup. Here are three of the most common insertion techniques you can take for a spin.

Flex Cup customer reviews

4.6
Rated 4.6 out of 5 stars
Based on 567 reviews
Total 5 star reviews: 456 Total 4 star reviews: 42 Total 3 star reviews: 28 Total 2 star reviews: 21 Total 1 star reviews: 20
90%would recommend this product
567 reviews
  • A
    Anna
    Verified Reviewer
    Yesterday
    Rated 5 out of 5 stars
    The BEST cup

    As someone who has tried multiple cups, has extremely heavy flow and childbirth, I felt I had to leave a review here. I bought it because I lost my previous cup and it was the only one shelf. Turned out to be the best purchase I could have made! I was unconvinced about the pull until I tried it! I've never been able to pull one out without a mess all over my hands but the pull works! If you get good at it you can empty it easily without a drop spilled or dropping it. Previously I had to pop the suction using a finger and it was always messy. The pulls on other ones are difficult and require pinching them. This is one finger, pull, empty all in one go. I also always have to cut the pulls on other ones because of a low cervix and they stick out but this one you can adjust how long you leave pull quite a bit. It also completely pops out for cleaning. I haven't had any leaks and it's very comfortable. It has the right amount of flex and rigidity. Super happy with it. It also came with two disposable discs to try. I may buy a disc for those days before or after full menstrual flow where you just get a few drops. If I lose this one I will definitely buy the same one again! Thank you so much! Not buying pads and tampons all the time is a game changer.

  • H
    hb
    2 days ago
    Rated 5 out of 5 stars
    An applicator would come in handy

    I love everything about the functionality of this. It is way easier and less messy to remove than other cups I’ve tried. Super comfortable and reduced my tampon and pad usage, especially on my heaviest days.

    I would definitely love to have an applicator for easier placement. It gets a little bit difficult sometimes if in public areas. I would buy immediately if it became available.

  • D
    Danielle
    3 days ago
    Rated 5 out of 5 stars
    Amazing!

    At first I was hesitant to use the cup and putting my fingers inside during that time disgusted me. However, I tried one more time and found them to be the most amazing invention ever! No leaks, no smell, no worries. They became easier to use and I wish they came out years ago! Thanks for such a great product.

  • M
    M
    Verified Reviewer
    1 month ago
    Rated 5 out of 5 stars
    I absolutely hate that this is black

    ...and yet this is a five star review. I like this product so much that I came back for a second round replacement after my first hit its life span, in spite of that design flaw. I've used a bunch of cups and this is the easiest to use while still being completely comfortable. My problem with the black color is that it makes it SO hard to clean effectively, you just can't see if it's all the way clean very well, let alone check on the status of things during removal to track where your cycle is. I have to turn on my brightest light and still squint to make sure I get it clean. All the lighter colored ones I've used simply do not have this issue. So I hope that if someone at Flow sees this review, they take it as the huge compliment I mean it as, but also maybe consider an untinted or pale colored alt color release.

  • K Profile picture for Kennedy
    Kennedy
    Verified Reviewer
    2 months ago
    Rated 5 out of 5 stars
    Best cup option. Best menstruation product period.

    I will never turn back after using FlexCup. I tried 6 other cups before finding FlexCup size 2 & it's been 7 years of less stress, mess, & pain. It has made my life so much better, truly.

    I got a tubal ligation 7 years ago after 4 sons. Prior to the procedure, I had light, 3 day long cycles, but after, I was in hell... 8-14 day cycles that had me bleeding through tampons & pads every hour. Let's not even mention the cramps. I'd rather have another kid, my goodness. I was hopeless & scared, but FlexCup saved the day & many days after that.

Frequently Asked Questions