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Ruby Sterilizer

Ruby Sterilizer

Color: Red

Do good. Feel good. Sterilizing your Ruby Cup just got way easier. Keep things clean while going green thanks to our planet-friendly, reusable Ruby Sterilizer.

Simply fill the sterilizer with water, add your Ruby Cup and pop in the microwave or place in boiling water for 3-5 minutes. Voilà!

The details

Our Ruby Sterilizer is made using hypoallergenic, high-quality silicone and is free from latex, bleach and other nasties. Count on us to put you, your periods and the planet first.

The good stuff

Collapsable, foldable and lightweight – perfect for easy storage and on the go
100%vegan
Washable, reusable, and 100% sustainable
PFAS, silver, and chemical free – no nasties here!

Care instructions

Make sure your Ruby Sterilizer is completely dry after use (air drying is totally fine). 

Collapse the sterilizer and store in a cool dry place, avoiding direct sunlight. 

Store in any bag or cupboard – the choice is yours!

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.

Ruby Cup is proud to be the first-ever menstrual cup brand to introduce the ‘Buy One, Give One’ program. Not familiar? No problem! For every Ruby Cup purchase we donate one to someone facing period poverty around the world, on your behalf. Pretty great, right?

Thanks to our Ruby Community and our cherished NGO partners, we’ve donated over 150,000 period cups worldwide. And we’re not stopping there.

The Ruby standard

We say no to nasties. Free from BPA, latex and toxins, our Ruby Sterilizer provides a reliable and eco-friendly cleaning solution for your Ruby Cup. And it's made from safe and hygienic medical-grade silicone.

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
    Once your period has finished, it’s time to sterilize your Ruby Cup
  • Step 2
    Simply fill your Ruby Sterilizer with water, add your cup and pop it into the microwave or place in a boiling pot of water
  • Step 3
    Make sure your cup and sterilizer are completely dry (air drying is fine) and store your Ruby Cup in your cotton bag for safekeeping until your next period
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Good to know

How long should you put the Ruby Sterilizer in the microwave?

This really depends on your microwave and how hot it’s set. We recommend setting the microwave time to approximately 3 minutes (or enough time to bring the water to a boil) then leave it boiling for a few minutes.

How should I store the Ruby Sterilizer?

Make sure your sterilizer is completely dry after use (air drying is fine). Then collapse your Ruby Sterilizer and store in a dry place away from direct sunlight.

Is the Ruby Sterilizer vegan?

Yes! Our colorful range of Ruby Sterilizers are all registered with the Vegan Society. This means they don’t contain any animal-derived ingredients and the products or materials haven’t been tested on animals. Period.

I have two or more Ruby Cups, can I boil them in the Ruby Sterilizer at the same time?

No, you have to boil them one after the other to ensure both of them are disinfected and that you can handle them safely after the boiling process.

How do I use the Ruby Sterilizer?

Here's how to use your Ruby Sterilizer:

Put your Ruby Cup inside the Ruby Sterilizer, fill with water until it’s about 3⁄4 full and place it in the microwave.
Make sure you do not close the lid completely as that will increase the
pressure from the boiling water and can make it overflow.
Set the microwave time to approximately 3 minutes or enough time to bring the water to a boil and leave it boiling for a few minutes.
After it is boiled, be careful as it can be hot. Grab it by the ears when you remove it from the microwave.
Let the water cool down a bit before you empty it and take out Ruby Cup, which is now disinfected and ready for your next period.
No matter where you decide to use the Ruby Sterilizer, please make sure to leave the lid open to create a steam hole.

How do I set the Microwave for the Ruby Sterilizer?

That depends a little on your microwave. You may need to experiment until you find the right settings which will boil your cup inside the Ruby Sterilizer without overflowing too much. However, in most cases, a little water will flow out of the Sterilizer and this is normal.
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