Made of high quality resin material, durable and long service life.Contains 20pcs 6-Sided 16mm Dice in translucent red and green colors with golden pips.Perfect for a Wide Variety of Dice Games & Math Games.Standard size: 16mm dice and classic pipped faces. Perfect for replacing board game dice or playing your own games.Extension activities: Also make excellent teacher's aids, supplementing math lessons and encouraging simple arithmetic.Specification:Material: ResinSize: Approx. 16mm 0.63inchColor: Red and GreenPackage Includes:20 Pieces 6 Sided Dice SetNote:1.Please allow a slight difference between the size above and the actual item due to manual measurement.2.Due to the difference between different monitors, there could be a little color difference acceptable, please kindly note.