What is Inner body material?
Stainless steel vs plastic interior.
Short answer
Some 'steel' kettles are steel outside, plastic inside — check the inner surface.
Inner body material when buying a electric kettle
Stainless steel vs plastic interior.
Why it matters: Plastic interiors leach taste and degrade with boiling water daily.
Look for: Some 'steel' kettles are steel outside, plastic inside — check the inner surface.
Full Electric Kettle buying guide