The Lekue Cooking Mesh are silicone bags which are used to keep everything separate when we are cooking in water. With these mesh, you can easily control cook time and steam seafood quickly. Cooking with Lekue platinum silicone is completely safe. This is the ideal material for manufacturing molds or products that will come into contact with food. The Lekue Cooking Mesh is dishwasher safe. Get them from Amazon now.