This intelligent temperature display mug is made of 304 stainless steel, touch that shows the temperature of the water in the cup. Good sealing. Can control the temperature for a long time. Intelligent power saving, no need to replace the battery for life. Can be cleaned directly in water, cup lid built-in electronic device, please do not cook with water. Size: 8.86 x 2.56 inches. Quantity 5000 or more shipped by sea.