Mica Bonsai pots are made of around 80%
mica, 15% polyethylene and 5% graphite and are virtually unbreakable. Good at heat retention which keep the roots of your bonsai a bit warmer in the winter Mica is also good at repulsing heat in the summer. They are high quality and they are frost proof.
They come in one colour which is a very dark brown. These are very good outdoor pots.
Please note: The way these pots are manufactured may mean that there are white scuff marks and imperfections apparent. The colour of the pot may vary slightly from the photograph. All measurements are outside edge to outside edge (not internal dimension)