Product size: (approx.) Outer diameter 32.9 x Inner diameter 31.8 x Height 6.5cm Materials: Glass/tempered glass (fully physically strengthened), metal part/stainless steel, lid knob/phenol resin (hea more→t resistant temperature 150 degrees), knob seat plate/nylon (heat resistant temperature 180 degrees) Country of origin: China Material: Glass: Tempered glass (fully physically strengthened), Metal part: Stainless steel, Lid knob: Phenolic resin (heat resistant temperature 150 degrees), Knob seat plate: Nylon (heat resistant temperature 180 degrees)