Travel Tumbler - 500 mL

Materials: 18-8 Stainless steel, Polypropylene, Silicone BPA Free. 

Keep drinks hot (69℃/156℉) for 6 hours. Keep drinks cold (7℃/45℉) for 6 hours.

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. This is a tumbler for beverage.