Set of twenty (20) silver swirl pearlized color polyhedral game dice. Solid dice with recessed, wear-resistant Black numbers. Polyhedral meaning = many-sided. This is an assortment of different d20, d12, d10, d8, d6 and d4 dice. (d20 is nickname for 20-sided, d12 is nickname for 12 sided etc.). These polyhedral dice are standard size game dice measuring approximate 5/8 to 3/4 inch from side to side. They are NOT a stand alone game. Dice can be used in a variety of board games. Sometimes called RPG dice which stands for Role Playing Game Dice. Use these dice in your favorite game. Let your creativity shine and develop your own games. Use for Math Exercises. Collect and Trade dice. Used by some teachers as mini-prizes. Bonus Purple Velveteen drawstring storage pouch. Measures approximately 4 x 5 inches laying flat. Easily holds all 20 dice.