Small - 3 cakes Diameter=12 inch, Height=5 inch - Recomended for 50-60 persons. Medium - 4 cakes Diameter=14 inch, Height=5 inch - Recomended for 100-110 persons. Large - 5 cakes Diameter=17 inch, Height=5 inch - Recomended for 150-160 persons. Extra Large - 6 cakes Diameter=17 inch, Height=6 inch - Recomended for 200-210 persons.