Finding your perfect menstrual cup

Finding your perfect menstrual cup size can sometimes take a bit of trial and error. Despite what many people think, leaking can often be a sign a cup is too big rather than too small.  If you are unsure of size, we recommend getting a double box to help take the guess work out of things. Many of our customers find they can wear two sizes so opt for a smaller sized Hello Cup on light days and a larger one on heavy days.

Hello Cup XS – Extra Small Menstrual Cup

  • Our smallest and softest menstrual cup
  • Great option for teenagers, petite users and those who prefer a ‘mini’ tampon
  • Our favourite fold for Hello Cup is the punchdown fold

The diameter of the XS is 38mm and the overall length including the toggle is 57mm. It holds 17.5ml (to the holes).

Hello Cup S/M (small/medium) Menstrual Cup

  • Our ‘one size fits most’ menstrual cup
  • As a rule of thumb we recommend the S/M for users under 35
  • Physically active / fit users often find the S/M is best for them regardless of age or whether they’ve had children
  • Our favourite fold for Hello Cup is the punchdown fold

The diameter of the S/M is 41mm and the overall length, including the toggle, is 59mm. It holds 21mls (to the holes).

Hello Cup L (large or ‘lovely’) Menstrual Cup

  • A good choice for those over 35 who have given birth
  • If you have a heavy flow and are over 35 years

NB: we don’t recommend deciding on size based purely on flow. If you are petite and have a heavy flow, the large could be too big for you. It’s also worth noting that we find physically fit people are often best suited to the S/M regardless of age.

The diameter of the L is 45mm and the overall length, including the toggle, is 64mm. It holds 28ml (to the holes).


  • unique, comfortable design
  • made from the highest quality, medical-grade material
  • outstanding reputation
  • Hello Cups hold three times more than tampons
  • reusable, a single Hello Cup will last at least five years
  • perfect for sleeping, exercising, swimming or for when you
  • want to bust out some 80’s dance moves
  • comfortable and smooth
  • hypoallergenic and recyclable
  • don’t dry the user out
  • they contain NO rubber, latex, PBAs or heavy metals
  • colours used are certified food grade and comply with EU and
  • FDA standards
  • Hello Cups are FDA registered
  • can be used with an IUD

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