Oxi-Copper is a trademark of Chessex. Dice Made in Germany. The die features vibrant swirls of teal, green, and copper, creating a marble-like appearance. The pips are painted in opaque white, offering strong contrast for readability. Finished with a high-gloss polish, giving it a smooth, shiny surface and premium feel. This stunning looking dice measure ~30mm tall (they measure almost exactly 29.2mm – 1.14 inches – tall but are offically called 30mm by Chessex)! The corners are rounded which helps prevent denting playing surfaces…or a wild roll from really hurting someone! Use this dice to impress your gaming buddies, for educational demonstrations, for the seeing impaired, or for whatever your imagination can come up with.