









♻️ Flex your flow with confidence—period care that’s smart, sustainable, and stress-free!
The Flex Cup Starter Kit (Size 01) is a beginner-friendly, reusable menstrual cup made from 100% medical-grade silicone in the USA. Featuring a patented pull-tab for easy removal, it offers up to 12 hours of leak-free protection with a capacity equal to 2 super tampons. Hypoallergenic and free from BPA, phthalates, and latex, it’s designed for comfort, sustainability, and long-term savings—lasting up to 10 years with proper care.















| ASIN | B07QD4W7RQ |
| ASIN | B07QD4W7RQ |
| Best Sellers Rank | #34,616 in Health & Household ( See Top 100 in Health & Household ) #22 in Menstrual Cups |
| Brand Name | FLEX |
| Color | White |
| Customer Reviews | 4.3 4.3 out of 5 stars (5,366) |
| Date First Available | April 15, 2019 |
| Item Diameter | 43 Millimeters |
| Item model number | BD10388 |
| Manufacturer | The Flex Company |
| Manufacturer | The Flex Company |
| Material Type | Silicone |
| Material Type Free | BPA Free, Phthalate Free |
| Package Dimensions | 5.83 x 3.62 x 3.11 inches; 2.4 ounces |
| Size | 1 Count (Pack of 1) |
| Unit Count | 1 Count |
L**E
The ONLY menstrual cup that I can use comfortably and works flawlessly!
I'm not a picky person, and I like to try all different kinds of menstrual products to find what works best for me and my lifestyle. I use tampons through the day, menstrual cups for my long 12hr shifts, and pads or menstrual cups for sleep. I have gravitated towards menstrual cups because of the environmental impact of pad/tampon waste. The other benefits are also that you don't have to spend money every month when you get your periods (just reuse these for every period, no need to buy more. And I have a little sterilizer at home to keep it nice and clean). They also have a MUCH longer wear time, so it is great for sleeping comfortably or, as I mentioned, my long 12 hour shifts with barely any time for breaks. The first time I tried a menstrual cup, it was a different brand and it was absolutely horrendous!! Definitely a learning curve, but also since it suctions onto your cervix, It was painful/miserable to remove! I almost thought I was going to have to get it removed at my OBGYN lol. But I didn't give up, and I bought the Flex cup. What is so great about it is that it has a suction release tab on it, so I have NEVER had any issue taking this out. It is easy to insert and remove, has a little loop to grab onto making it even easier to pull out, fits perfectly and feels like I am wearing nothing. I DID have some leaks which was a huge disappointment BUT that was before I got a bigger size (when I bought this, I had never had any kids and was in my mid 20s so I thought the smaller one would suit me). I swallowed my pride and got a bigger one, it's still easy to place, and it has never leaked for me. Lasts me the full 12 hours without any mess and feels like I'm wearing nothing at all. Yes, you may get some blood on your fingers with insertion and removal, but not in your underwear and that is a miniscule price to pay for the countless benefits of a menstrual cup. Overall, I highly recommend this menstrual cup and if you DO have leaks or if you hear of anyone that has had issues with these leaking, it likely isn't the product but the person. They just need a bigger size (speaking from experience). Hope this helps!
R**E
Amazing
I’ve been a cup user for a while, and I gotta say that this is the best cup I’ve used so far. I used to use salt cups, but they were really hard to get out with nails and the “string” eventually broke off. However; with this cup, I can easily take it out with my long nails, and the cup sits and stays in the spot that you insert it in which is really nice. The only thing that I don’t exactly like about this cup is how thick it is, it makes it hard to fold, and it’s hard to clean the cup with the “string” inside the cup. Other than that I really recommend this cup to anyone who’s looking to switch or anyone that’s new to cups.
L**N
Honest Review
Hello to all you skeptical potential buyers! Read here for a honest review of the pros and cons! I've been using my cup since Nov 2022. For reference, I'm 24 years old, about 130 lbs, no kids, and have a pretty heavy period. Overall I would give it a 4-5 review and I like it. PROS: 1) Holds 12 plus hours worth of blood if inserted correctly and depending on your flow. I work long 12 plus hour days on the ambulance and typically won't have to change it if I inserted correctly. Makes it nice for long days. 2) Save a lot of money on other products. I haven't had to buy tampons or pads in quite a while due to not using them as much. I will occasionally still use tampons when I don't wanna use the cup. I would recommend wearing a pad with the cup until you figure it out. 3) Fairly unnoticeable when inserted correctly. 4) Fairly easy to remove with minor discomfort. The ring makes it so much better to remove compared to other cups and brands. Easy to clean too. CONS: 1) If not inserted correctly it's not comfortable and you will leak. Make sure to wear a pad till you figure it out. It takes a while to figure out how to avoid leaking. 2) Could just be me, but when it's inserted and in place I always feel like I need to pee shortly after peeing. That could be me not being able to empty my bladder fully from the cup. 3) Can be messy.
C**R
I recently purchased my first ever cup and it was a traumatic experience. It made its way really high and was impossible for me to get out. I saw that this flex cup had a loop that you could pull to remove so I thought I'd give it a go. I've managed to remove it easily each time, even when it has decided to move really high. Such a relief! I've knocked a star off just because it does get a little messy during removal due to the hole. It's worth remembering that you shouldn't pull too hard as you end up pulling the plug through. Honestly though the small mess is worth it compared to the embarrassing removal I had with my first cup!
R**N
Beginning with this was a bit hard. I've been using cups for over 10 years at this point and this has it's pros and cons . +It's easier to remove +It's quite easy to clean +It doesn't feel if it's inserted correctly -it's prone to leaks -if you pull it out too hard, the pulling "cord" gets stuck
D**A
I used it for one whole period. Now after the second period, the cup does not want to return to its original position. It just sits like in the pictures - no matter what I do to turn it back how it was. Maybe I am too agressive :D If this was a normal cup without the "patented stem", I could still use it, and now I have to look for a new one that won't distort. It ended up nicely in the trash, where it belongs.
F**A
I purchased this in January 2023 and have been using it for 2 years now. A day ago I noticed an awful smell coming from the silicone material, I thought it was me and even went to the doctors! Turns out it must disintegration of the material but it smells like burnt tar. Really disappointed, didn’t know there was a shelf life on these things and had a really scary 48hrs thinking I had an unknown infection. Apart from that- the product is brilliant and has not let me down at all. I have better periods and they also because more regular and pain free.
S**E
starke sogwirkung, wie hald alle Menstruationstassen. und ziemlich prfriemelig
Trustpilot
2 weeks ago
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