The Charles Viancin Poppy Oblong lid is made of food-safe silicone and measures 10 x 14 in / 35 x 25 cm. It creates an airtight seal on bowls, pots, and pans with smooth edges. It is a reusable alternative to plastic wrap and aluminum foil for food storage, meal preparation, cooking, and reheating. It is suitable for use in the microwave and compatible with oven/ceramic stovetops as protection against heat and splatters, as well as for the refrigerator and freezer.