WYSIWYG from the frags pictured - larger colony pic for reference
What else can you say about the world famous Forest Fire Digi. Still very rare but it grows well in the right conditions and there is not many branching SPS corals in the world which will show off these bright shades of green and red.
Small size frags are about 1cms.
Only experienced hobbyist should consider sps frags and ensure water parameters are suitable before purchasing.. There are no DOA refunds on SPS. They generally survive shipping but they are more sensitive to shipping than zoas so the risks are increase. They do not always survive changing tanks though as they can be sensitive to changes in conditions so make sure acclimation is slow.