Quick answer
Choose the 20 ml cup for light days and the 30 ml cup for heavy days—or use both together to match your flow throughout your cycle.
Why two sizes instead of one
Many menstrual cups come in a single size, but the FUN CUP EXPLORE KIT includes two different volumes: 20 ml and 30 ml. This lets you switch based on your daily flow, which can be more comfortable and reduce the need to empty as often on heavy days.
If you're new to cups, starting with the smaller 20 ml size can be easier to insert and remove. The larger 30 ml size holds more, so it's practical for nights or busy days when you can't empty it frequently.
How to tell which size fits your flow
A simple way to gauge your flow is by how often you change your tampon or pad. If you typically change every 4–6 hours on your heaviest days, the 30 ml cup gives you more capacity. If you change less often, the 20 ml cup may be enough.
Remember that cup capacity isn't the only factor. Your body's anatomy and comfort also matter. The smaller cup is often more flexible and may suit first-time users or those with a lower cervix.
Decision rules for choosing your FUN CUP size
- Light flow days: Use the 20 ml cup. It's smaller, easier to insert, and comfortable for lighter flow. If you're new to cups, start with the 20 ml size to get used to insertion and removal.
- Heavy flow days: Use the 30 ml cup. It holds more, so you can go longer between changes, especially overnight. If you often change a pad or tampon every 4–6 hours, the 30 ml cup is your go-to.
- Uncertain or first-time: Try the 20 ml cup first. It's less intimidating and easier to manage while you learn. Once you're comfortable, you can switch to the 30 ml on heavy days.
Product facts
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FUN CUP EXPLORE KIT: The kit includes 20 ml and 30 ml volumes for light and heavy days, made of medical silicone, and offers up to 12 hours of protection. You can match the cup to your daily flow and enjoy long-lasting protection without frequent emptying.
FUN CUP EXPLORE KIT
Which size is best for you?
Best for
- Light to moderate flow days, or first-time cup users
- Heavy flow days, overnight use, or busy schedules
Not for
- If you have a very high cervix or unusual anatomy, a single-size cup may not fit well; consult a healthcare provider.