... mesh sheet and use it in the oven, or microwave, or freezer.Microwave – use it to heat frozen bread, frozen croissants, etc ... ! - Suitable for all ovens (gas, fan, electric, AGA, hot-air, microwave, grill) and freezers- Heat - resistant up to 260°C (500°F ... ! - Suitable for all ovens (gas, fan, electric, AGA, hot-air, microwave, grill) and freezers- Heat - resistant up to 260°C (500°F ...