18-8 Stainless steel, Polypropylene, Silicone
BPA Free
Keep drinks hot and cold for 6 hours. (Hot above 65°C / 149°F, cold below 8°C / 46°F)
For maximum insulation efficiency, preheat or precool the tumbler prior to use by filling in a bit of hot/cold water for 1-2 mins.
