+ Two halves allow dual or mixed planting inside and outside of the railing
+ Optics
+ So far weather- and UV-resistant
+ Plug pins on bottom for horizontal alignment
+ No additional accessories required in the form of hooks or brackets
Fail-space for roots, depending on the plant to almost
-The pins for aligning sit so tight, so that the planter is easily torn when I tried to remove them in the fall
Depending on usage, space and design preferences, the vessels are worth a buy recommendation.