Shuttle Trays are the professional growers answer to producing top quality plants, growing them on and transporting them efficiently. Each tray allows you to pot and grow on 18 plants at a time altogether that is 90 plants in total across the 5 trays that you can produce in each batch! The rigid trays are easy to carry around and the pots and trays are made so they can be used over again they will last for many seasons; just wash them out after each use. The pots are approx. 9cm diameter and approx. 8cm deep so they allow plenty of early growing on time for young plants. In fact they are perfect for potting up and growing on young plants, seedlings or even germinating seeds from scratch.