400ml Vacuum Flask Thermos Mug Shaking to Warm Hand Warmer Colder 316 Medical Stainless Steel 3-layer Cup Thermos Bottle

Description 400ml Vacuum Flask Thermos Mug 304 Medical Stainless Steel Thermos Cup 3 layer Cup Structure Thermos Bottle for Coffee Tea Thermal MugFeatures Shake to Warm Your HandThe cup is filled with aerospace technology disguised and fast conducting liquid in the thermal insulation layer Inject hot water shake it the heat can be quickly transferred to the outer layer of the cup warming your hand 316 Medical gradeCompared with 304 stainless steel 316 stainless steel mainly reduces Cr content and increases Ni content And increased M02 3 Therefore its corrosion resistance and oxidation resistance are better than 304 3 layer structureThe inner tank is SUS316 stainless steel the middle layer and the cup body are 304 stainless steel which increase heat preservation performance and protect your hands from burns or frostbite Food gradeSafety and environmental protection non toxic no smell It adopts tin soldering process and it is closely connected with silicone sealing ringSpecifications Heating materialVariable phase conducting fluid for aviation science and technologyMaterial316 stainless steel for inner liner and 304 stainless steel for outer layerCapacity400mlWeight383gSize178mm high and 78mm widePackage Included 1 x Vacuum Cup