The bottle, made by MittiCool, is a self-cooling one made from a special mixture of clay. Think of it as a modern take on a traditional matka or clay pot.
MittiCool creator Prajapati Mansukhbhai Raghavjibhai's story is as interesting as the products he now sells. Born to a family of potters, he is known for first creating a refrigerator that runs without electricity. His inspiration came from a tragedy - 2001's devastating earthquake in Gujarat.
''Journalists came and photographed our broken matkas. They referred to them as the poor man's fridge. I thought why can't we make a real fridge with the same cooling principle?" he told NDTV in 2011.
He spent years working on various permutations and combinations and finally settled on an unusual addition of sawdust and sand, which makes the soil porous and the interiors cold. The Gujarati entrepreneur then went on to create a series of products made out of clay.
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