The company is rolling out anti-fog lid technology on all of its PET cold deli food packaging products. The feature helps cut down lid condensation, which aids in improving product visibility in cold food merchandising displays. Produced with the company's Ecostar RPET-F (FDA approved for direct food contact), the containers are made with 100-percent recycled materials that also are 100-percent recyclable.
Source:
http://www.packagingdigest.com/article/522955-Anti_fog_food_lids.php