Charles Viancin Winterberry Silicone Lids - Large 11", Medium - 9", Medium/Small 8", Small 6" Keeps food fresh by creating an airtight, watertight seal on all smooth rims Reusable and economical alternative to plastic wrap or aluminum foil Can be used for food storage, cooking, reheating and freezing Size: Large 11&quot;, Medium - 9&quot;, Medium/Small 8&quot;, Small 6&quot; Designed as Food Safe - Fridge, Freezer, Oven, and Microwave Safe