The Keeper, reusable soft rubber menstrual cup

The Keeper, reusable soft rubber menstrual cup, Style B (for people who have not given birth vaginally), with blue cloth drawstring pouch and reorder slip, The Keeper Inc., Cincinnati, Ohio, 1987-1999.

The Keeper was the first menstrual cup to achieve moderate commercial success. Its predecessors debuted in the 1930s before ceasing production during World War II and briefly reappearing in the 1960s and early 1970s. Made of soft latex, the cup is still available today and comes in two sizes.

Reusable period products have undergone a resurgence in popularity since the mid-2010s, driven by consumers seeking more comfortable and environmentally friendly alternatives to disposable products.