This tablet will effectively kill bacteria off your menstrual cup and at the same time remove discoloration. Making your cup look almost brand new again! MonthlyCup’s cleaning tablets are biodegradable and eco-friendly. Best of all, the tablets are made in Sweden just like our menstrual cups. Really, it doesn’t get any better than these tablets! Active content: sodium percarbonate and tablet chemicals (e.g. vegetable flour). MonthlyCup Cleaning tablets