The cling film bags are made of high-quality PE material, free from harmful substances, ensuring safe use for food storage. Easy to use: Simply open the elastic sleeve of the plastic food storage cover, align it with the plate, stretch the film over the dish, and secure it tightly. Reusable: These food wraps help keep food fresh, protected from dust and insects. They can be cleaned and reused as needed. Ideal for use with refrigerators to store meals, fruits, vegetables, and more. Stretchable design: Featuring an elastic opening, these fresh-keeping bags easily fit various plate sizes, including dinner plates and salad bowls. Versatile application: Perfect for covering leftover vegetables, fruits, and other foods in the refrigerator to maintain freshness.