A number of test samples were created to simulate the ageing of the artwork. modified atmosphere packaging (50% N2and 50% CO2) and irradiation were used to evaluate packaging designs for long-term conservation management. To preserve the work Eggs different aspects were considered when defining a package: the deterioration processes of the food materials (raw eggs and baked chicken skin) and non-food materials (threads and metal basket as well as the combination of thethreads and baked chicken skin.