1. food cooler pack used for cake, chocolate,etc 2. It is clean, nontoxic 3. CE, SGS, MSDS,ROHS, etc ... . 4. OEM is available. Cake/Chocolate Ice Pack 1. ... .2. ApplicationPut cooler bags in freezer to freeze more than 12 hours flatwise which can keep cakes, butter, cheese, chocolate ... Certificate: CE, SGS, MSDS, ROHS, etc. ice chest for chocolate