Assorted Massage Bars Soap Mold This is a new 4 Cavity Assorted Massage Bars Soap Mold holding from 2.5 to 4 oz of soap. There are two round, one hexagon and one rectangle. Dimensions: Circle Shape 2 1/2" and 3", Hexagon 3 x 2", Recangle 3 1/2 x 2 1/2"