THE PRODUCT IS RESISTANT TO HEAT AND COLD. IT IS FREEZER SUITABLE. IT IS MICROWAVE SUITABLE. MACHINE WASHABLE. DOES NOT CONTAIN SUBSTANCES HARMFUL TO HEALTH. BPA FREE Large size: 1500 ml Medium size: 1000 ml Small size: 750 ml INSTRUCTIONS FOR USE: The food you put in the storage containers should be cold or warm, not hot. Frozen containers should not be dropped as they will break easily. While heating, the foods in the container with heavy sauce, sugar and oil will cause stains, so this should be taken into consideration when adding these foods. Make sure the lid is open when using the containers in the microwave. It is produced to be suitable for freezing and thawing foods. It is not suitable for use in ovens.