Large high-visibility game dice Diffusion Coral Reef - a colorful trio of diffused aqua blue, royal blue, and coral pink with sandy yellow ink. Full of the colors and vibrance of life under the sea. Each set of R4I dice averages over 30% larger in size than traditional dice for higher visibility and better rollability! This Set of 7 (Arch'd4, d6, d8, d10, d%, d12, and d20) features all numbers.