4 Sizes: Large, Medium, Small and Tooth Fairy. Mix and stack.
The smallest is barely 3/4" across and is a perfect little box for the Tooth Fairy.
The "small" size is almost 1.5" across and makes a perfect wedding ring holder.
The "medium" is 2.5" across and holds several little treasures.
The "large" is 3.75" across and will hold all the three smaller boxes.