The best thing that happened to women in modern times. I could probably even say that it's the best thing that has happened to mankind.
It doesn't leak at night as pads do, it's cheap and environmentally friendly, but mainly that it doesn't dry out my mucus membranes and doesn't contain bleach and pesticides that I don't want anywhere near my uterus.
Thank you for caring about the environment, the body and the wallet! Amazing qualities.