This link is "dark blue", please buy the corresponding link according to the color you require, thank you! Brand: Xiaomi Mijia Material: 304 stainless steel PP silicone 316L stainless steel Color: dark blue Capacity: 480ml Size: 71.5 x 65 x 227.5mm Insulation performance: over 68 (6 hours) Cooling capacity: less than 10 (6 hours) Weight: 225g Package List: 1 x Xiaomi Mijia Vacuum Cup Xiaomi Mijia Thermos Cups Spring Cover Version Vacuum Stainless Steel 480ml Travel Capacity Thermal Mug Insulation Lock Cold Flexible Switch --- -Long-lasting insulation and cold blocking Mijia Mini Thermos features long-lasting insulation and blocking cooling to meet your daily needs --- -Double pumping vacuum side vacuum copper plating Mijia Mini Thermos adopts double layer stainless steel vacuum technology and vacuum side copper plating technology, which reduces vacuum radiation, effectively blocks temperature conduction and convection, and delays the heat dissipation in the cup. The insulation and cooling of the lock can be effectively carried out. ---- -SUS 304 stainless steel safety material is made of SUS 304 stainless steel grinding water heater, which is oxidation resistant, corrosion resistant and easy to clean. The mouth of the cup is made of PP material, smooth and flat and comfortable to the touch. ---- -Lightweight design portable 225g lightweight 480ml vacuum cup, perfect for camping and traveling An intimate lock Add a lock to the lid, Right knob to lock the lid to prevent accidental opening, Left knob to unlock, easy to open with a spring cover, one-handed operation is convenient and free of charge, It is not easy to fall off the lid when drinking water 6 hours of long-term heat preservation (68 ) - Insulation test: In an environment with an internal temperature of 20 , the cup is filled with 95 hot water and the lid is tightly closed. After 6 hours, the temperature of the water in the cup exceeds 68 - 6 hours of long-term cold preservation (10 ) - The cold preservation test takes place in an environment with an internal temperature of 20 . Fill the cup with 4 cold water and close the lid tightly. After 6 hours, the temperature of the water in the cup dropped below 10 A: cup lid B: Seal the water plug C: Drinking your mouth D: Tea leak E: O-ring F: Cup body A: 316L stainless steel liner B: High vacuum insulation layer C: abrasive layer of the coating D: Electrolytic polishing layer for the inner surface of the mirror E: Ultra-microwave copper plating of inner tank F: Shell 304 stainless steel G: Shell matt spray paint package list