100ml PYREX flask made by IWAKI, heat-resistant and perfect for experiments. - Brand: IWAKI - Model: TE-32 - Capacity: 100 ml - Material: PYREX - Country of Manufacture: Japan - Temperature Range: TC 20°C ± 0.24 ml Thank you for viewing. I am not familiar with the product itself, so please check the photos before purchasing. Although unused, please consider purchasing with the understanding that it has been stored by a private individual. No claims and no returns. Please feel free to contact me. Please note that shipping is not available on weekends and holidays.