Product Description: - The product is made entirely from borosilicate glass, ensuring it can withstand temperatures of up to 350°C. - It features a scratch-resistant surface and boasts heat resistance up to 400 degrees Celsius. Care Instructions: DO: Preheat the oven before use for optimal results. Use in electric ovens, convection ovens, microwave ovens, refrigerators, and freezers. Donts: Avoid using the product over direct flames. Do not allow food to dry completely in the oven. Place hot dishes on a warm or dry surface instead of cold or wet surfaces. Clean with gentle methods to preserve the scratch-free surface. - This set comes equipped with air-tight and liquid-tight containers that are easy to stack for convenient storage. - The product is microwave, oven, dishwasher, and freezer proof, boasting a transparent color with a glass material construction. Package Contents: Three 320ml capacity containers and one lunch bag.