Inkstick: 3 5/8" x 15/16" x 7/16" color: Black. Tung Oil Soot (101 Grade).Inkstone: 4 3/4" diameter, 3/4" height(with lid) made from charcoal black nature stone.Comparing to bottled ready-to-use inks, hand-ground inks give richer and finer tones. This well treated ink stick can last for long time for moderate uses. Tips on usage: 1) Water was usually kept in a ceramic container and sprinkled on the inkstone. Use one end of the ink stone to grind in circular movement with a small amount of water. It"s ready to use when the ink becomes very thick and dark. Don"t use half-done ink. If gray tone is needed, add water to dilute it. 2)Wash out any left over ink; using overnight ink will produce inferior tones. 3)Do not leave moisture on the inkstick. Wipe it immediately with a piece of rice paper or tissue and let it air dry after each use. 4)Store the inkstick in a dry place and avoid direct sunlight and draft. This high-grade ink stick comes with a storage box made of the tung wood.