Whatever your flow, we've got you covered... Lite..... very light to light flow <6g Regular..... light to medium flow 6-9g Super..... medium to heavy flow 9-12g Super plus ....heavy flow 12-15g Super plus extra very heavy flow 15-18g Ultra..... extremely heavy flow 18-21g The only tampon brand available in 6 absorbencies So, if you use tampons, you may need to use (up to 3) different sizes depending on your flow. Your body is unique and so is your period.