Product Name: Heat-resistant glass cookware Usage: Dishwasher, freezer, microwave, and oven safe (up to 180°C). Materials: Body: Heat-resistant glass (thermal shock resistance 120°C) Vent: Silicone rubber (heat resistance 180°C) ⚫︎Brand: bodum ⚫︎Product Name: Douro ⚫︎Set Quantity: Set of 4 ⚫︎Capacity: 400ml ⚫︎Type: Double-walled glass 【Double-walled construction】 The double-walled design maintains the temperature of the beverage and prevents your hands from getting hot. 【With Handle】 It has an easy-to-grip handle, so you can use it with hot beverages with peace of mind. The cardboard part that acts as a divider in the box is torn. Please understand. (See photo 6)