Features 1,Stainless Steel: Double layer stainless steel vacuum insulation cup is made of 304 stainless steel inside and 201 stainless steel outside, delicate process, easy to use. 2,Automatic Sealing Technology: The stainless steel vacuum insulation cup has automatic sealing technology, the lid is automatically sealed between each socket to eliminate liquid leakage. 3,Insurance and Double Layer Isolation: The insulated cup has an insurance that prevents accidental pressing of the automatic shut off button. Double isolation keeps your drinks warm for 5 hours and cool for 12 hours. 4,Sturdy and Stable: As a vacuum cup made of stainless steel, this insulated cup can be sturdy and stable, very durable. 5,Multi Purpose: The vacuum cup is suitable for drinking in daily office, and also can keep you hydrated in time when you are at school or in the car. Specification Item Type: Double Layer Stainless Steel Vacuum Insulation Cup Material: 304 Stainless Steel Inside, 201 Stainless Steel Outside Height: Approx. 20cm / 7.9in Bottom Diameter: Approx. 6.5cm / 2.6in Top Diameter: Approx. 8.5cm / 3.3in Use: Vacuum Insulation Cup Is Suitable For Daily Office Or In Car Drinking Package List 1 x Double Layer Stainless Steel Vacuum Insulation Cup Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.