- Glass (tempered or borosilicate)

- Ceramic (glazed)

- Plastic (microwave-safe)

- Paper (microwave-safe)

- Wax paper

- Parchment paper

- Aluminum foil (in small amounts and not touching the walls of the microwave)

- Plastic wrap (in small amounts and not touching the food)

Materials that should not go in a microwave:

- Metal (including cast iron, aluminum, copper, and stainless steel)

- Styrofoam

- Melamine

- Plastic wrap (not microwave-safe)

- Aluminum foil (in large amounts or touching the walls of the microwave)

- Paper towels (not microwave-safe)

- Wood

- Cloth

- Food in sealed jars or cans