The IEC Insulation Box & Lid for calorimeter cup 50 x 75mm H x D. A specially moulded, high density and very strong polystyrene insulation container with lid for excellent insulation for heating or cooling. Colour may be either blue or white. The styrene foam lid is large enough to fully cover the ABS plastic calorimeter lid (if fitted). Holes are provided in the styrene foam lid for the handle of the stirrer and for a central thermometer.