1.Quality:QC check 2.size:12*5cm 3.USage:keep cool more than 10 hours 4.material:PE with sap size 12*5 cmweight40gmaterialPEUSES:Used in biochemical reagents, solder paste, veterinary medicine, blood products, aquatic products, seafood, food and other refrigerating transportationUsed for patient high fever physical cooling, anti-inflammatory pain, a cold compress beauty, fall, strain, hemostatic ...