Air Pot containers come flat, and need assembly around a base.
Then held together with one or more connectors.
This means that removing or potting up plants is easy.
During storage, the pots lie flat.
The connectors come in 2 sizes.
Small = dark blue, is suitable for 1 litre pots
Large = light blue. These are fo all other sizes. 3 litre to 38 litres