The benefits of menstrual cups are aplenty: less waste and odor and more time in between changes. You can also have sex with a menstrual cup in place. There's also evidence to suggest that menstrual cups are better for vaginal health; besides blood, tampons can soak up good-for-you bacteria that live in the vagina. Treat yourself to the DivaCup Kit ($64). Besides the popular silicone DivaCup, the gift set also includes reusable Lunapads pantiliners, which can be machine washed.