... material 2.clean, non-toxic, elastic 3.Reusable 4.Long-time cold storage Shanghai Yishun Icepack Co.,Ltd Jiangsu Yishun Medical Devices ... 3) Sampling charge: Sample free(3 PCS) but freight collect 4) Certificates:CE,SGS,MSDS,FDA,ROHS,REACH Usage: Put the ... refrigerator being off electricity.For cold storage and transportation: it can be used for cold storage and transportation of poultry, aquaculture ...