hi there, do you mean a THERMOELECTRIC COOLERS what size it is, I got a 40 quart thermoelectric from coleman, it will keep your chocolates real good in temperatures 40 centigrade and drinks in a good temperature, not too cold, I used it alot when we go to the dunes, and most of the time the temperature is between 35 to 42 c, bread, cheese ham and some salchichas argentinas a chocolates for my wife, got it for two months and no problem.