C4 Cinnamon Stick is a cinnamon grade which falls under the Continental cinnamon category. Compared to C5 Special and C5, slightly thicker bark is used to produce C4 grade Ceylon Cinnamon. C4 is also popular and in demand for its smoothness, exquisite fragrance, pale yellow color, and sweet taste. When it comes to the diameter size, it varies from 13 mm to 14 mm. The foxing level of C4 is less than 15. Maximum moisture level is 14% while the total ash (max) is 5%. Cenica C4 Ceylon Cinnamon Sticks are available in the following package sizes