This Stainless Steel Mug is the perfect companion for keeping your drinks at the ideal temperature for hours, with heat retention of up to 82°C for 6 hours and cold for up to 6 hours at 7°C. With advanced vacuum insulation technology, it ensures your beverages stay hot or cold, whether you're at home or on the go. The lid doubles as a convenient drinking cup, staying cool even with hot liquids. For mothers, the one-touch stopper makes pouring hot water for milk quick and easy, wherever you are. The 4 cm wide opening ensures effortless cleaning, and the non-stick interior resists stains and odors.