Packaging: Bottle Each Shape Contains a Working Compass. This set may not roll 100% fairly, but our testing does not show this set to be biased to a degree that is noticeable. 7 Dice Set Includes: * 1-D4 (19mm) * 1-D6 (16mm) * 1-D8 (16mm) * 1-D10 (16mm) * 1-D% (16mm) * 1-D12 (18mm) * 1-D20 (22mm) Material: Resin