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Early menstrual cups were made of rubber. [166] The first menstrual-cup applicator was mentioned in a 1968 Tassaway patent; there are also 21st-century versions, but they have not been a commercial success, as of 2024. [167] No medical research was conducted to ensure that menstrual cups were safe prior to introduction on the market. [77]
Born in the early 1900s, Chalmers invented the menstrual cup out of a passion for bettering women's sexual health. Chalmers created her first version of the menstrual cup in 1937, shortly after the invention of the tampon. She sought to create a reusable menstrual product to compete with the existing disposable menstrual products on the market.
A cup is an open-top vessel (container) used to hold liquids for drinking, typically with a flattened hemispherical shape, and often with a capacity of about 100–250 millilitres (3–8 US fl oz). [1] [2] Cups may be made of pottery (including porcelain), glass, metal, [3] wood, stone, polystyrene, plastic, lacquerware, or other
Originally, paper cups for hot drinks were glued together and made waterproof by dropping a small amount of clay in the bottom of the cup, and then spinning at high speed so that clay would travel up the walls of the cup, making the paper water-resistant. [citation needed] However, this resulted in drinks smelling and tasting of cardboard.
A dad and his daughter recently staked out a Target overnight, hoping to score the limited-edition reusable Starbucks x Stanley cup. As the dad documented on TikTok, they were able to secure one ...
Single-use cone cups were followed by the commercialization of single-use plates and bowls, wooden cutlery, and paper food wraps. By the 1930s these products were widely used to feed the men and women who worked on the remote dams, bridges and roads of the Works Progress Administration. In the 1940s they were used to feed defense factory ...
Boye said she can justify owning 11 Stanley cups with “girl math.” The cups are great quality, she notes, so if you drink from the cups daily and consider each day of use worth a dollar, it ...
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