Mijia Mini Thermos features long-lasting insulation and lock-cooling to meet everyday needs- Double Vacuum Pumping + Vacuum Side Copper PlatingMijia 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 MaterialIt 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 Designportable 190g lightweight 350ml vacuum cup, perfect for camping and travelling
