The planters are cylindrical so they are the same width from top to bottom and enhanced with uniformed ribbed banding.

Sizes (dimensions approx): 10cm diameter (external), 9 cm tall, takes a 9cm plant pot 12cm diameter (external), 11 cm tall, takes a 10.5cm plant pot 14cm diameter (external), 13 cm tall, takes a 13cm plant pot 17cm diameter (external), 15 cm tall, takes a 15cm plant pot 19cm diameter (external), 18cm tall, takes a 18cm plant pot 23cm diameter (external), takes a 21.5cm plant pot 28cm diameter (external), takes a 26cm plant pot

Our largest planter, 33cm diameter (external), takes a 30cm plant pot