Material: Recyclable PET, more than 70% for transparent containers and 80% for black containers. Certification: All containers are suitable and certified for food contact. Suitable: restaurant containers, fast food, delivery, catering. They are able to used directly as a dish. Container temperature limits - lid: resistant to temperatures from -40 to +54 degrees C. Microwave oven: not suitable for use in microwave ovens. Caps - Lids: made of rPET and provide excellent sealing to prevent leakage from sauces and liquids. The same lid can be used in more than one container because of the most common base dimensions that vary in height. Containers are easy to arrange and are extremely stable, waterproof and durable and there is no transfer of odor or taste.