Many size Polyhedral Acrylic Dice,4 sides 19mm, 6 sides 16mm, 8 sides 18mm, 10 sides 17mm, 12 sides 18mm, 20 sides 21mm. Easy to ReadThe Multi sided dices have different number, easy distinguish and viewing. Multiple UsesDices are suitable for table game, board games, party game, card games, and other role playing games. Develop IntelligenceUse dices games to encourage children to learn counting, addition, etc. Compact, lightweight, convenient to carry. Easy StorageMulti dices set, great for ktv, bar, restaurant, party, etc. Compact, lightweight, easy storage. Specification: Material:acrylic Size Chart: 4 sides 1.9cm/0.75inch 6 sides 1.6cm/0.63inch 8 sides 1.6cm/0.63inch 10 sides 1.7cm/0.67inch 12 sides 1.8cm/0.71inch 20 sides 2.1cm/0.83inch Package Includes: 7 Dices Note: Please allow slightly errors due to manual measurement and different monitors.