White nylon plastic with a matte finish and slight grainy feel.
About this Product
To find the result of this die, you have to make the average of the four numbers pointing upward. For instance, 8 + 10 + 1 + 1 = 20, thus the result is 20/4 = 5. The positions of the results (from 1 to 6) match those of a standard D6.
More informations here: http://www.shapeways.com/forum/index.php?t=msg&th=3847