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Ruby Cup Period Underwear

Ruby Cup Period Underwear

Color: Burgundy
Size
Size guide

Planet-friendly underwear that gives you peace of mind with every wear. From light to heavy flows, our reusable period pants have period-proof protection you can count on.

The details

Period pants made to follow life’s natural flows. Our Flow Freedom period pants are thoughtfully designed so you can enjoy carefree movement – day and night – with ultimate comfort and confidence.

Our planet-friendly pants are reusable and washable so you can feel good while doing good.

The good stuff

Good for you, good for the planet PFAS, silver, and chemical free - no nasties here!
Depending on your flow, you can wear your Ruby Pants for up to 12 hours
Washable, reusable, and 100% sustainable
One pair equals 3 super tampons and it can hold up to 50 ml
Wave goodbye to leaky pads and experience soft, stretchy comfort with every wear Hipster style for protection and confidence under every outfit

Care instructions

Our Flow Freedom pants are built to last. Care for them easily with these simple steps:

  • Wash on a cold wash and hang to air dry
  • Avoid fabric softener and bleach
  • Steer clear of tumble drying, or ironing

Product composition:

  • Inner layers – 80% Polyester and 20% Nylon
  • Middle layer – 100% Polyester for extra absorbency
  • Outer layer – 78% Nylon and 22% Spandex for a soft and secure fit

Social Impact

Periods shouldn’t stop anyone from living their best life. That’s why we’re breaking down barriers for people with periods everywhere. With sustainable, premium products that are accessible to all, we deliver real social impact across the globe.

We’re committed to supporting education and working with like-minded organizations to create lasting change. For every sale of Flow Freedom period pants, we proudly donate 2% of the revenue to our Learning Centre nursery based in Kisumu, Kenya. We built the nursery with our long time partners, Golden Girls Foundation, and today your support and our donations continue to contribute to nurturing young minds and inspire a love for learning.

The Ruby standard

Because we’re determined to provide period products that are good for you and the planet, our Flow Freedom period pants are Standard 100 by OEKO-TEX Certified. This means each component is rigorously tested for harmful substances, making sure they pass the test for health and safety without compromising on comfort and quality. We call that our pants priority.

Shipping and returns

Ruby Cup Money Back Guarantee

Not completely in love with your Ruby Cup? No stress. Our Money Back Guarantee is valid within 120 days from your original purchase, so you can return your Ruby Cup or change size, hassle free.

Simply fill in the Return Form, pop your cup in the post and we’ll send you a different size or process your refund (all you’ll need to do is cover the shipping cost).

Our Money Back Guarantee is available for Ruby Cup purchases (but not our other products). It's only valid once, so no double swapsies or refunds after trying a different size. Check out our T&Cs for more details.

Flexible returns for peace of mind:

We get it – sometimes you might just change your mind. That’s why we offer easy exchanges or credits.

Here’s how it works:

Return your products within 30 days of receiving them

Make sure they’re unopened, in original condition, with tags still attached (where applicable)

For bundles: You can try on one item, but the rest must stay unopened.

Send the whole pack back together

– no individual returns from a bundle please!

Need to return something?

Drop us an email to hello@rubycup.com with details of the product(s) you’re returning.

You’ll need to cover the return shipping (we recommend using a tracked service to avoid any mishaps).

Our Ruby Kegel Trainer is not valid
for return. If you received a faulty or damaged parcel, please get in touch.

Shipping

United Kingdom

Tracked shipping:

Free for all orders

Worldwide

Untracked shipping:

Between £2-£8.5 depending on your parcel size and shipping destination

(Please take into account that no
tracking is included)

Tracked shipping

Between £5.50-£15.00 depending on your parcel size and shipping destination

Shipping times:

Tracked shipping: 5-7 business days from fulfillment date

Untracked shipping: 9-12 business days from fulfillment date

View full details

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How to use

  • Step 1
    Wear your Flow Freedom pants as regular underwear during your Ruby days. They’re safe to wear all day.
  • Step 2
    When you feel like the time is right, rinse your pants with cold water.
  • Step 3
    Wash your period pants in the washing machine on a cold cycle and let them air dry before wearing them again.
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Good to know

What are period pants?

Period pants, like Ruby Pants, are specially designed underwear to support your monthly flow. They feature built-in absorbent layers to replace conventional pads or tampons for a conscious and sustainable solution.

How do Ruby Cup Period Underwear work?

Ruby Period Underwear has multiple absorbent layers, including an inner layer of polyester and nylon blend and a middle layer of polyester for enhanced absorption. These additional layers trap your menstrual fluid, keeping you feeling dry and fresh throughout your cycle.

What sizes are available for Ruby Cup Period Underwear?

Ruby Cup Period Underwear comes in various sizes to suit different body types. Our sizes range from XXS to 4XL. Check our size guide to find the perfect fit for you.

Are Ruby Cup Period Underwear reusable?

Yes, Ruby Cup Period Underwear is reusable, making them eco-friendly and cost-effective. Simply rinse them in cold water after use and hang dry. Avoid using fabric softener, bleach, tumble drying, or ironing to maintain their quality and performance.

Do Ruby Cup Period Underwear leak?

Ruby Cup Period Underwear is designed to provide leak protection and peace of mind. The absorbent layers and secure fit help prevent leaks during normal wear. However, it's crucial to choose the appropriate absorbency level for your flow and change them as needed.

How do I choose the right absorbency level?

Ruby Cup Period Underwear is designed for the heaviest days of your flow. In fact, one pair of pants absorbs as much as 3 tampons or pads.

How long can I wear Ruby Cup Period Underwear?

The duration of wear depends on your flow and personal comfort. Some may wear them all day, while others may choose to change them more frequently. It's essential to monitor your flow and change your underwear as needed to maintain freshness and hygiene.

Are Ruby Cup Period Underwear safe for my health?

Absolutely. Our period underwear is Standard 100 by OEKO-TEX Certified, ensuring that every component is rigorously tested for harmful substances. Your health and safety are our top priority.

Does Ruby Cup Period Underwear support the fight against period poverty?

With every sale of Ruby Cup Period Underwear, 2% of the revenue goes to supporting education initiatives, such as the Learning Centre nursery in Kisumu, run by our long-term partners, the Golden Girls Foundation. This contribution helps nurture young minds and promote a love for learning.
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