Check out our period cup size guide at Lunette to ensure the best period cup size for managing your flow. Your menstrual prayers are sure to be answered!

What Period Cup Size Do I Need?

As if knowing your bra size wasn’t enough, now you have to know your vagina size? Don’t panic, that’s why we’re here.

Although you’d be well off with either period cup size, we want to make sure you’re comfortable with your choice. That’s why we offer two sizes (because not all vaginas are the same). In general, both cup sizes fit most well enough, but usually one is more comfortable to use than the other.

Lunette Period Cup model 1 is slightly smaller in size and softer silicone, which is why we often recommend model 1 if you are a first-time user, teenager or you just feel like a smaller cup may be easier to use.

Commonly the cup size is chosen according to the flow, not the measurements. If you have lighter flow – model 1 might be your choice. However, if your flow is on the heavier side, you might prefer model 2 – which allows you to stretch the time between emptying your cup a tiny bit longer!

Your flow

Lighter flow? Model 1 might be for you.
Heavier flow? Give model 2 a go!

 

Model 1 is great for:

Spotting is a drop or two of blood, not even requiring a pad, though you may prefer to use one.

Very light bleeding is when you need to change a low absorbency tampon or pad one or two times per day, though you may prefer to change them more frequently.

Light bleeding is when you need to change a low or regular absorbency tampon or pad two to three times per day, though you may prefer to change more frequently.

Model 2 is great for:

Moderate bleeding is when you need to change a regular absorbency pad or tampon every three to four hours, though you may prefer to change it more frequently.

Heavy bleeding is when you need to change a high absorbency tampon or pad every three to four hours, though you may prefer to change more frequently.

Very heavy bleeding, or gushing, is when your period protection barely works at all. In these instances, you’d need to change the highest absorbency tampon or pad every hour or two, though you may prefer to change it more frequently.

Cup measurements

The Lunette Menstrual Cup Model 1

Light to average flow

All Lunette menstrual cups are soft and pliable, however, Lunette Cup Model 1 is made of softer silicone than Lunette Cup Model 2.

• The diameter is 41 mm (1.6 inches) by 47 mm (1.9 inches).
• The stem measures 25 mm (1 inch).
• The volume of the cup is 25 ml (0.85 fl oz).
• Measuring lines: 5ml (0.17 oz) and 13.5ml (0.46 oz).

The Lunette Menstrual Cup Model 2

Average to heavy flow

All Lunette menstrual cups are soft and pliable, however, Lunette Cup Model 2 is made of firmer silicone than Lunette Cup Model 1.

• The diameter is 46 mm (1.8 inches) by 52 mm (2 inches).
• The stem measures 20 mm (0.8 inches).
• The volume of the cup is 30 ml (1.0 fl oz).
• Measuring lines: 7.5ml (0.25 oz) and 15ml (0.5 oz)

Other things to consider

Lunette is emptied about 2-4 times a day, and can be used overnight for up to 12 hours*.

* Please note that local restrictions may apply: e.g. France (ANSES): 6-8 hours and no overnight use. Australia (TGA): up to 8h. Germany: up to 8h.

You will quickly learn your own rhythm by viewing how much fluid your cup has gathered. The measuring lines outside of the cup help to monitor your flow. Some may also feel slight pressure, heaviness or bubbling sensation when the cup starts to fill up.

Age

For teens and young users, the smaller model 1 makes for easier ins and outs. However, we still recommend choosing the cup mainly based on flow and comfortability!

Pregnancy

For those people who have given birth out there, you can use the Lunette menstrual cup model 1 or 2. Pregnancy changes a few things down there, so firstly take into account your new cervix position, and secondly your new flow volume post childbirth. If the cervix is, for example, coming lower than it used to, then the bigger cup may put pressure on it and model 1 will be a better fit. If the cervix is higher than it used to be it could be that the cup moves up, making it a bit harder to reach the bottom and model 2 might be easier use. Often child birth also affects your flow, if your flow is significantly heavier – you might want to change to a model 2. You can, of course, also continue using model 1, but you will need to empty it more often.

Cervix & pelvic floor

If you have a low-sitting cervix, try the shorter model 1 for a better fit. If the cervix is high the cup may move up, making it harder to reach the bottom and model 2 might be easier use. However, it's normal for the cervix to move during your cycle, and it's often lowest on your heavy cycle days. The pelvic floor holds the cup in place, but if the pelvic floor is weaker - it is harder to hold the cup and the cup may move inside the vagina (e.g. slip out) or the cup may start leaking. Kegel exercises strengthen the pelvic muscles and prevent future problems like urinary leakage. Good news is, using the cup also trains the muscles as they actively need to hold the cup.

Lifestyle

If you're a fitness goddess with strong vaginal muscles, consider using model 1. With strong or tight pelvic floor and vaginal muscles model 2 might cause pressure.

Bladder

Sensitive bladder? The softer model 1 might be a match made in heaven for you. Sometimes the cup may be located very near your bladder and feel like it is pressing on the bladder, causing an uncomfortable feeling, especially when sitting or exercising/moving around. Softer model 1 is more malleable and adapts to your body better – easing the pressure.

How does the menstrual cup differ from the tampon?

Both are internal menstrual protection. A menstrual cup collects the blood and the tampon absorbs it. A tampon can be used only once whereas a menstrual cup is reusable and the same cup can be used for many years. 


The absorbing capacity of a tampon is given in grams and the capacity of the menstrual cup in millilitres. One ml of menstrual blood is comparable with a gram, so the capacity of tampons and menstrual cups are comparable.

The capacity of the Lunette menstrual cup is 25 ml (model 1) and 30 ml (model 2). The absorbing capacity of a tampon is 6-18 g. Menstrual cup holds, on average, the same flow as three (3) medium flow tampons. Model 2 holds nearly twice the amount of a super tampon.

A greener way to menstruate?

With the Lunette Period Cup, you won’t just be saving money — you’ll be saving the planet, too! On average, menstruators will use 22 disposable products during a cycle — that adds up to a whopping 12,000 during a lifetime! All of that disposable waste adds up, which is where we come in.

A single Lunette Period Cup can be reused for years before needing to be replaced, helping to ease the needless production and waste materials of disposable menstruation products. On top of that, our packaging is 100% recyclable and plastic-free, plus our cup pouches are made from recycled plastic. Take one small step to leave a smaller environmental footprint.

A more convenient way to menstruate

Never again will you feel the dread of being caught off guard without a period care product at hand. Unlike tampons and pads, you can’t run out of a cup, so you know you’ll always be prepared for whatever your cycle has to throw at you!

The Lunette Period Cup has a secure, fixed placement that means you’ll never need to limit yourself when on your period. You can play sports, lie down or even swim; the cup moves with your body to guarantee all-day protection. Plus, our cup comes with its own cute little pouch, meaning you can keep it with you and simply take it out when you need it.

Easy to use? Check. Never need to buy disposable products? Check. A reliable and comfortable fit? Check.

A healthier way to menstruate

When it comes to periods, many menstruators are dissatisfied with how tampons and pads can react with them. Some suffer from dryness and skin irritation, while others dislike the chemicals found in disposable products.

With Lunette, the health-conscious can rejoice, for there is another way! All Lunette Period Cups are made free from harmful chemicals and are 100% safe for human tissue. In fact, a Danish study of seven of the top menstrual cup brands found that Lunette was the only cup tested that contained no harmful substances. Zero! That’s how Lunette keeps your body naturally happy with no strings attached.

• 100% safe medical grade silicone
• user instructions
• easy-carry pouch made from recycled plastic bottles
• plastic-free cardboard packaging
• window is 100% biodegradable cellulose film

We know you’ll enjoy your periods with Lunette Menstrual Cup, and to make sure of that, we want to give you a happiness guarantee! It means that after 90 days of use, you can request a size exchange, for up to 6 months after the original purchase. This applies to Lunette Menstrual Cups bought on our website.

The Happiness guarantee will cover the value of the Menstrual Cup from the Lunette Kit product bundles. The guarantee does not cover product changes for products with more than 30% discounted price and/or buy one, get one free (BOGO) campaigns or multiple cup purchases and then multiple product changes. A happiness guarantee can be applied once per order.

How do I claim it?

After 90 days of use, you can request a size exchange, for up to six months after the original purchase. To claim the guarantee, please email our Menstrual Mentors at info@lunette.fi Please make sure to include your order number in the email, as well as your preference of a different size or a refund.