Pinkah Vacuum Coffee Mug - Black

Capacity: 380ml, 400ml Insulation performance: the room temperature is about 20 degrees, filled with 100 degrees of boiling water, and the water temperature will be kept above 42℃ after 6~8 hours Function: keep warm or cold Appearance: Using the latest spray paint technology to make a very high-end marble and wood grain surface Number of layers: 2 layers of stainless steel Raw materials: outer layer (food grade 304 stainless steel), inner liner (medical grade 316 stainless steel), bottle cap (PP plastic, silica gel)