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Q & A

Get answers to the most common questions about The Keeper and moon cup direct from the source.

Using Your Cups

NOTE: We strongly recommend that you avoid cleaning with chemicals and/or high heat.  More on that here! Inserting The Keeper or The Moon Cup 1. After washing your hands and cup, simply fold your Keeper or Moon Cup by pressing the sides of the lightweight, flexible cup together (Illus. 1) 2. Then, fold the cup in half again (Illus. […]

Myths and Common Objections

#1: It is too BIG   This is a common misunderstanding for those who haven’t used the cup.  The size of the cups is not as different from a tampon as you might think, and if you read about the various folds used for insertion, you’ll see that there is little difference between the two.  […]

Who is The Keeper and Moon cup for?

Our cups are designed for the woman who: Believes collecting her flow is gentler on her body. One of the many benefits of using a cup is that no reactive materials are being placed into the body. Even the most basic absorbent menstrual hygiene products can cause discomfort for women who are prone to vaginal […]


Grist Magazine’s wonderful column, “Ask Umbra,” has featured several articles about The Keeper, including an article on eco-friendly menstrual products, which contains a great review of The Keeper. Other articles and letters to the editor praising The Keeper may be found here, here, and here. We were delighted to find Grist, a truly excellent online […]

Cleaning Your Cups

No Need To Boil Consistent exposure to hot water, whether in your sink or in your dishwasher, will reduce the usable life of your Keeper or Moon Cup. Customers who have not boiled or used harsh chemicals on our cups have reported their cups lasting  five, seven, ten—even fifteen years. On the other hand, women who […]

Gentle on the Earth

In a woman’s lifetime, she is likely to use 15,000 sanitary pads or tampons.  An average woman throws away 250 to 300 pounds of tampons, pads and applicators in her lifetime. The great majority of these end up in landfills, or as something the sewage treatment plants must deal with. Plastic tampon applicators may not biodegrade […]


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