What is Cavity material?
Stainless steel vs ceramic-coated interior.
Short answer
Ceramic cavities scratch less and are worth a small premium.
Cavity material when buying a microwave oven
Stainless steel vs ceramic-coated interior.
Why it matters: Steel and ceramic clean easily and resist Indian masala stains; painted cavities chip.
Look for: Ceramic cavities scratch less and are worth a small premium.
Full Microwave Oven buying guide