... : 50°C-57°CMaterial: Notoxic pvc+mental disc+food grade sodium acetateCertificate: CE/SGS/MSDS/ROHS colorRed,blue,yellow,clear,purple ... 60°C PortXiamen Place of OriginFujian China (Mainland) Material PVC,Sodium AcetateMajor MarketU.S., Canada, Europe, Mid East, South Africa, ... flexible even when cold Reusable for years of professional grade thermotherapy Latex free and non-toxic, microwave and freezer ...