The material is a hand-turned Bone China porcelain which has a beautiful cream-white color.
The Raw series features bottom-to-top grooves made in one long spiral and in one movement. The groove stops approx. 2 cm from the edge, where it is smooth and transparent glazed both inside and on the edge. The groove is in the raw and unglazed porcelain.
The Raw series also includes lamps. See Raw Lamps.