Star ice dumplings will be bad if you don't put them in the refrigerator. The surface of the star ice dumplings is a layer of ice skin, at room temperature will melt, to maintain the appearance of the shape of the dumplings do not deform, not cracked, not aging, can only be done at low temperatures. Star ice dumplings can not be kept at room temperature for more than two hours. Therefore, room temperature must take insulation measures.