Specification: Brand Xiaomi Mijia Material SUS 304 Stainless Steel + PP + Silicone Color Black, white, pink, blue Capacity 350ml Funtion Keep Warm Above 58 : 6 Hours Lock Cold Less Than 12 6Hours Size 61 x 61 x 185mm / 2.40 x 2.40 x 7.28inch Weight 190g - Long-Term Insulation And Lock Cold Mijia Mini Thermos features long-lasting insulation and lock-cooling to meet everyday needs - Double Vacuum Pumping + Vacuum Side Copper Plating Mijia Mini Thermos adopts stainless steel double-layer vacuum technology and vacuum side copper plating technology, which reduces vacuum radiation, effectively blocks temperature conduction and convection, and delays heat dissipation in the cup. Insulation and lock cooling can be effectively carried out. - SUS 304 Stainless Steel Safety Material It is made of SUS 304 stainless steel grinding inner tank, which is resistant to oxidation, corrosion and easy to clean. The cup mouth is made of PP material, smooth and flat, and comfortable to touch. -Lightweight Design portable 190g lightweight 350ml vacuum cup, prefect for camping and traveling Package included: 1 x Xiaomi Mijia vacuum cup