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Flex Menstrual Cup

Made from 100% medical-grade silicone, this menstrual cup is great for your wallet and even better for the planet. Designed with your comfort in mind, this cup by Flex is beginner-friendly, disability-friendly, and removes easily like a tampon. The cup provides 12 hours of protection, has a capacity of 2-3 super tampons, and is great for first-time menstrual cup users. It's perfect for both light and heavy flows. 

Hear one of our staff member's in-depth review of the Flex cup!

5.0 | See 1 review1
Slim Fit
Capacity of 2 super tampons (22mL)
For first-time menstrual cup users and works with light or heavy flows
Full Fit
Capacity of 3 super tampons (30mL)
For experienced menstrual cup users who prefer a larger size and those who've had 2+ vaginal births

product information

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Certified Organic

Organic is a labeling term found on products that have been produced using cultural, biological, and mechanical practices that support the cycling of on-farm resources, promote ecological balance, and conserve biodiversity. Organic producers rely on natural substances and physical, mechanical, or biologically-based farming methods to the fullest extent possible.

Responsibly Sourced

Products made from planet-friendly materials such as GOTS or Oeko Tex certified textiles.

Ethically Made

Ethically made products are produced by companies that meet the minimum requirements of ethical impact on workers, customers, the community, and the environment. The best-known certification in this space is a Certified B Corporation.

Kind to the Planet

Products made by brands that are either Climate Neutral or 1% for the Planet Certified, or those that offset their carbon emissions through other carbon offset methods.

Thoughtful Packaging

Products that utilize packaging that is made from recycled, plant-based, or zero waste materials and/or are refillable by design.

Cruelty Free

Products that are manufactured and produced by methods that do not involve experimentation on animals.

Clean Ingredients

Products that are created and produced without any proven or suspected toxic ingredients. This means they are formulated without phthalates, formaldehyde or formaldehyde releasers, oxybenzone and octinoxate, hydroquinone, triclosan, coal tar, methylisothiazolinone, insoluble plastic, microbeads.

Fair Trade

Products bearing a fair trade label are grown, produced, and sold under a system that guarantees that farmers, artisans, and factory workers are paid fairly for their work.

why this eco-swap wins

our team has tried thousands of products, and here's why we love this one.

  • Flex patented pull-tab removes cup like a tampon.
  • Reusable alternative to single use tampons.
  • Provides 12-hour protection.
Tested by Brightly Staff
Kendall H.
There are so many menstrual cups on the market and it can be hard to choose which one is best. There's definitely a learning curve with any cup, but I can say this one is the easiest to remove by far, which I find super helpful!
Flex Menstrual Cup
Disposable Tampons
Zero-Waste Product
Zero-Waste Product
12-Hour Protection
12-Hour Protection


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