Charles Viancin Silicone Poppy Lid And Food Cover 6 Inches - Small - 2904 This Charles Viancin Orange Poppy Lid is made from BPA-free; food grade silicone which seals tightly on all smooth rims to create a watertight and airtight seal. Safe for use in the oven and the microwave; it eliminates the need for wasteful aluminum foil and plastic wrap. It is also dishwasher safe for easy cleanup. Made in China.? Size: 6 inches? Safe for the oven; microwave; freezer and dishwasher? Seals tight on all smooth rims: stainless ste