IWI Grain in Ear from the standard collection is a bright sunshine yellow ink with low shading. It dries in 5 seconds in a medium nib on Rhodia and has an average flow. IWI ink is made in Taiwan.

This series of inks contains 24 colors to represent the 24 Solar Terms that represent the annual changesof seasons and helps guide agricultural activities through observing the position of the sun.The ninth Solar Term is characterized by crops like wheat finally becoming ripe. It begins on June 5th.