KINTO Travel Tumbler 500ml Sand Beige Vacuum Double Structure Effect 20949 Heat/Cold

Product name: Stainless steel portable thermos Material: Stainless steel, polypropylene, silicone rubber BPA free / Made in China / Heat retention: 69℃ or higher (6 hours) Cold retention: 7℃ or lower (6 hours) *Heat retention effectiveness refers to the temperature of hot water measured 6 hours after pouring boiling water into the product at a room temperature of 20°C ± 2°C, and when the water temperature reaches 95°C ± 1°C, with the lid on. *Cold retention effectiveness refers to the temperature of water measured 6 hours after pouring cold water into the product at a room temperature of 20°C ± 2°C, and when the water temperature reaches 4°C ± 1°C, with the lid on. *Before adding drinks, add a small amount of hot (cold) water and preheat (pre-cool) for about 1-2 minutes to increase the heat retention (cold retention) effect.