This is a set of "iwaki" storage containers. Heat-resistant. The 200ml size has been used a few times, but the 500ml and 900ml sizes are unused and in good condition. I am selling them because I don't have the opportunity to use them. [Brand] iwaki [Condition] Like new [Material] Glass (body), Polypropylene (lid) [Heat resistance] 120°C (body) [Heat resistance] 140°C (lid) Thank you. #iwaki #glass #storage #heatresistant