Reusable menstrual cups are steadily gaining in popularity: 99% less waste, toxin-free, and high value over time. This particular brand has won many awards. 100% medical grade silicone, AllergyCertified, and vegan. It holds ~3 tampons worth and can be worn for up to 12 hours. <br><br> Since bodies are different, and not every brand or size works for every woman, OrganiCup comes with a 90 day satisfaction guarantee. 17ml/25ml/30ml capacity.