Fresh'it is the first 100% natural refrigerator that operates without electricity and keeps your food (fruits, vegetables, drinks, high-temperature-sensitive medicines) cool for an average of 15 days. Fresh'it can store between 8 to 10 kg of diversified foods. Fresh'it offers superior food preservation performance that exceed the conventional electric refrigerators, it requires only 1 (less than 1 liter) water fill per day. It should be noted that the Fresh'it refrigerator is shipped "unassembled" (package weight approximately 30 kg). For usage, add about 20 kg of sand (see usage tips for details).