Two discs, sizes S and L, in one pack — which one seals depends on your anatomy rather than on your flow, and the only way to find out is to try both. what's in the boxTwo reusable menstrual discs, one small and one large, each with a pull-off ring, and a carry pouch. The silicone is body-safe, seamless and reusable. Each disc holds up to 60 ml. which size to start withStart with the small one. Size here is about fit, not about capacity: a disc sits in the vaginal fornix, wider and flatter than a cup, and the right one is the one that tucks behind the pubic bone and stays there. If it shifts or leaks, move to the large. Most people settle on one and keep the other as a spare. up to 12 hours, and the ring is for getting it outA disc can stay in for up to 12 hours. Removal is the part most people find awkward at first: hook a finger under the ring, keep it level, and bear down. The first few times are messier than the ones after, which is why doing it in the shower for the first cycle is the usual advice. it can stay in during sexA disc sits above the vaginal canal rather than inside it, so it stays out of the way. That is the practical difference between a disc and a cup, and for most people it is the reason for switching. careRinse with cold water first, then wash with warm water and a gentle cleanser. Between cycles, boil for three to five minutes or use a steriliser case. Store dry in the pouch, not sealed in a plastic bag. Disclaimer: This is not a medical device and not a treatment for any condition. If you have an IUD, a history of toxic shock syndrome, or any specific concerns, speak to a qualified healthcare provider first. guides New to discs? Our step-by-step guide to inserting a disc covers the first cycle, and how to sterilise a disc covers cleaning between cycles. If you are still choosing between formats, the disc vs cup comparison sets out the difference.