This is a set of three heat-resistant glass food storage containers, suitable for use in ovens and microwaves. This item is new and unopened. The set includes three sizes: 370ml, 640ml, and 1040ml. Temperature resistance is from 400°C to -20°C. Please refer to the product images for detailed specifications. Price negotiations are not accepted in the comments section. Please use the "Price Reduction Request" button located in the bottom right of the product image. We will consider requests if possible. If we are unable to accommodate your request, we will gradually lower the price, so please "like" the item to stay updated. If you have any questions about the product, please feel free to ask in the comments section.