You put it into a 15-liter vessel, about three gallons, and it'll cool it down to just above freezing -- three degrees above freezing -- for 24 hours in a 30 degree C environment.
Kita masukkannya ke dalam bejana 15-liter, lebih kurang tiga gelen, dan ia akan menyejuk sehingga hampir takat beku, tiga darjah di atas takat sejuk beku, selama 24 jam di persekitaran 30 darjah Celcius.