Superior qualityHYDY vacuum thermal series observes the stringent quality control in line with the Swiss SGS safety standards. It is made using advanced 18/8 (304) stainless steel food-grade, no BPA (BPA free) or other harmful substances, it will noSuperior quality - HYDY vacuum thermal series observes the stringent quality control in line with the Swiss SGS safety standards.,Superior qualityHYDY vacuum thermal series observes the stringent quality control in line with the