Extra large black and white silicone dice inked with grey ink (some photos are uninked samples, but final dice will be inked). The rainbow D20 will have multiple colors for the numbers (see photos)
The dice are extra large including D20s (55mm), D12s (50mm), D10s (48mm), D00s (Percentile, 48mm), D8s (46mm), D6s (48mm), and D4s (46mm).