Each dice, or die — English has evolved to the point that the singular “die” is now interchangeable with the plural “dice” — is made of cellulose acetate so that it is translucent.

Thirty-Four-Sided Dice. Abbreviation n/a; Results to calculate 2.9411%; 34-side dice. A very unusual and rare die with 17-faces on each side of its top-like form. Hundred-Sided Dice. Abbreviation D100 ...

Roman dice were often visibly biased, ... Then, when they come back on the scene in about 1100 AD, the way the numbers are arranged around the die has changed.