Set of 4 Reusable Plastic Can Cover Lids by Fortuna (Colors may vary) Four plastic lids with different diameters for a perfect fit. Keeps the canned food fresh and prevents odor in your refrigerator. Diameters: small lid - 2.56, 2 medium lids - 3.35 cm, large lid - 3.74 cm; color may vary. Great for outdoors camping. Easy to use and reusable.