Where form meets function

Japan’s Marna make these playful little sponges for cleaning bottles. The edamame-shaped sponges clean plastic, metal and glass bottles with balls of ceramic and alumina that attack hard-to-reach stains. Heat-resistant and reusable, simply fill a bottle with a little bit of water and shake. Shop them online or at the MoMa stores in New York.

Photography: Thomas Welch/

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