Tefal jamie oliver 28cm stir fry wok the tefal jamie oliver 28cm stir fry wok has been crafted with a non stick coating that allows for easy cookng and easy cleaning while the tefal thermo spot technology indicates the optimum cooking temperature completed with the tefal and jamie oliver branding to the handle wok 28cm thermo spot technology ultra resistant non stick coating pfoa free coating easy to clean tefal and jamie oliver branding