Vacuum Cup Portable Thermal Thermos Travel Coffee Mug

Size: Volume: 16.9 fl oz (500 ml); Color: Black; Large diameter design allows for complete cleaning (Product Structure) This product is made of S304 stainless steel, which is healthy and hygienic. It has a good seal, so if the lid is closed tightly, it will not leak even if you put it in your bag or lie down. Although it does not come with a handle, it is more delicate to the touch than ordinary coffee cups, so it is best to prevent slipping (Heat and Cold Retention) It has the ability to keep hot and cold for a long time. Cold Retention: 2 hours/less than 17.6°F (8°C); Heat Retention: 6 hours/above 88°F (38°C). The lid can be opened with one hand for maximum convenience. The mouth is designed to be small to prevent burns 【Widely Used】The cup can be stored in a drink holder and can be used when working at the office, going