They have light yellow flesh.
This is a floury potato, best used for baking.
AC Sunbury Potatoes were developed by the Government of Canada at its Agriculture Canada Research Centre in Fredericton, New Brunswick in 1978, from a cross between Raritan and Agitato (aka Y66-13-636) potatoes. They were called F80054 during development.
Named after Sunbury County in New Brunswick, Canada.