We recommend a pot that is 1 - 2 cm bigger than the size of the plant pot your plant is currently in. These are pot covers and do not have drainage holes so are not suitable for direct planting.
Larger pot is 9cm diameter & smaller is 6cm diameter.
The plant combinations that we think fit pretty great are:
(you may need a few small rocks to lift your earth star up a bit so that you can avoid bending its leaves)