ADERIA Cook Lock Square 500ml Color: Square Material: Heat-resistant glass Material Features: Heat resistance = 120°C Capacity: 500 milliliters Product Dimensions: 13.8 length x 13.8 width x 6.7 height cm Body size: Approximately 13.8 x 13.8 cm (max), height approximately 6.7 cm Body weight: Approximately 380g Material: Container = Heat-resistant glass, Lid = Polypropylene, Silicone, Polystyrene Country of origin: China Heat resistance of the container body (temperature difference that can withstand breakage when rapidly cooled from high heat) = 120 degrees Celsius Used once.