The thermal cup uses a multi-layer temperature locking process with vacuum layer, which effectively isolates the outside temperature and maintains the temperature of your drinking water or tea, keeping the heat retaining time up to several hours, providing a better drinking experience for the user
Safe Material: The insulated cup is usually made of 316 food grade material, stainless steel liner, non-toxic and odorless material, corrosion-resistant, antioxidant, odorless, and harmless to human, but it is used to ensure the quality of drinking water