Double the comfort, double the confidence. This bundle includes our fan-favorite Ruby Cup and a pair of Flow Freedom period panties for ultimate round-the-clock period protection.
The Details
Ruby Cup promises a comfortable fit with each wear. Made from 100% medical-grade silicone, its flexible and seamless design means easy application – perfect for first-time users.
Our Flow Freedom period panties are designed to follow life’s natural flows. Wear them for up to 12 hours, even on your heaviest days, and wave goodbye to leaky pads. Soft, stretchy, and reusable, they offer ultimate comfort and confidence. The hipster style provides protection under every outfit while keeping you carefree day and night. Planet-friendly and washable, they let you feel good while doing good.
Care Instructions
Ruby Cup Menstrual Cup:
* Before/after your period
Boil your menstrual cup in a pan or in a Ruby Sterilizer filled with water for 2–3 minutes.
* During your period
Simply empty your cup, rinse under clean running water, reinsert and go! In a public toilet, use a bottle of water to rinse your cup over the toilet. Or wipe clean with dry or damp toilet paper, then reinsert.
Wear. Rinse. Repeat. Simple!
Ruby Cup Period Underwear:
Our period 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.
Social Impact
Periods shouldn’t stop anyone from living their best life. That’s why, for every Ruby Cup sold, we donate one to someone facing period poverty around the world. Thanks to our community and NGO partners, we’ve donated over 150,000 cups so far! Plus, 2% of every Ruby Cup period pants sale goes to a Learning Centre nursery in Kisumu, Kenya, built with our long-time partners, the Golden Girls Foundation, supporting early education and nurturing young minds.
The Ruby Standard
We say no to nasties. Free from BPA, latex and toxins, our Ruby Cup menstrual cup provides a reliable and eco-friendly solution for your monthly cycle. And it's made from 100% safe and hygienic medical-grade silicone. Kind to you, kind to the planet – win-win.
Because we’re determined to provide period products that are good for you and the planet, the fabrics used in our Flow Freedom period pants are sourced from OEKO-TEX® STANDARD 100 certified materials. This means the materials have been tested for harmful substances, helping to ensure safety, comfort, and quality. We call that our pants priority.
Our products have also been rated as a Best Ethical Buy by The Good Shopping Guide.
Shipping & Returns
UNITED KINGDOM:
Tracked shipping: Free on all orders
Delivery: 2 business days from fulfillment
EU:
We currently ship to: Austria, Belgium, France, Germany, Ireland, Italy, Netherlands, Spain, and Sweden only
Tracked shipping: £7.00–£12.00 depending on parcel size and destination
Delivery: 5–7 business days depending on destination
REST OF WORLD:
Tracked shipping: £6.00–£40.00 depending on parcel size and destination
Delivery: 5–12 business days depending on destination
RETURNS & EXCHANGES
We want you to feel confident with your Ruby Cup products.
Menstrual Cups: Covered by our 120-day Money-Back Guarantee. If the cup isn’t the right fit, you can request a full refund or a size exchange within 4 months of purchase.
Period Panties: Covered by our 60-day Try & Love It Guarantee. If you’re trying our underwear for the first time and it’s not right for you, you can get a refund for one used pair within 60 days, provided the panty is returned to us. If you purchased a bundle, only one used pair is eligible for a refund or a size exchange; all other items follow our standard return policy and must be returned unopened in their original packaging within 30 days of receiving them.
These guarantees apply only to the products listed above. Sterilizers and other accessories follow our regular return rules.
Can you wear period pants and a menstrual cup together?
Yes, wearing period pants with a menstrual cup is a common combination — the cup handles internal collection and the pants act as leak-proof backup. It's especially popular overnight or on your heaviest flow days, when peace of mind matters more than relying on one product alone.
What is a menstrual cup and period pants bundle?
A menstrual cup and period pants bundle pairs an internal cup with absorbent period underwear so you're covered for both heavy-flow days and backup protection. The Dynamic Duo includes one Ruby Cup and one pair of Flow Freedom period pants, our most absorbent style.
Do I need a menstrual cup if I already have period pants?
Not necessarily. Flow Freedom is built to be worn on its own, including on heavy days. The two solve different needs rather than one being the "backup" version of the other: the cup is worn internally and suits long stretches without bathroom access or high-intensity activity, while pants are worn externally and offer full-day protection without insertion. Many people use just one; others combine both on their heaviest days for extra security.
What's the best period pants and cup combo for heavy periods?
For heavy flow, the Ruby Cup paired with Flow Freedom, our highest-absorbency period pants, is designed to handle both internal volume and leak protection at once. The cup alone holds roughly 3 super tampons' worth, and Flow Freedom's absorbent panel is built for heavier days rather than light backup.
What size Ruby Cup and period pants should I buy?
Ruby Cup size is based on flow level and cervix height. Our cup size quiz, at the top of the product page, gives a specific recommendation in under 2 minutes. Flow Freedom pants are sized by waist and hip measurement using our separate size guide, so check both before ordering.
Is it cheaper to buy a menstrual cup and period pants as a bundle?
Yes, buying the Ruby Cup and Flow Freedom together as the Dynamic Duo bundle saves you 20% compared to purchasing each product separately at full price, with the saving shown at checkout.
How long do reusable period products last?
A Ruby Cup typically lasts up to 10 years with proper care. Flow Freedom period pants last around 5 years on average, depending on wash frequency and how they're cared for.
How do you wash a menstrual cup and period pants?
Boil the Ruby Cup for 2–3 minutes before each period, rinsing it between uses during your cycle. Rinse Flow Freedom pants in cold water, then hand wash or machine wash on a cold cycle and hang to dry. Avoid fabric softener, bleach, and the tumble dryer, since heat and softeners wear down the absorbent layers faster.
