Small Sizes of: 3cm x 3 cm and 5.5 cm x 5 cm.
Mini coir pots are very useful for seedlings but also look very sweet.
Mini Coir Pots (Thin Walls and Thick Pot Walls)
Wall thickness is critical for the mini coir pots, because depending on wall consistency the root cannot penetrate the pot wall. So always determine first what kind of plant you are growing before buying the mini pot. You may have to try several mini pots, before you know which pots and walls make a perfect combination with your plant.
Tray for mini Pots
A very useful combination is to use the mini pots in a tray, by this efficiency is better and many small plants can be started simultaneously. Make sure as mentioned above to use the proper pot wall.