All Orchids Enjoy Good Air Flow To their Roots. Heavy Duty Plastic Net Pots With Wide Rim and Open Mesh Provides Excellent Root Aeration, while Smaller Mesh Allows a Variety of different Media. 5 3/8 inches rim to rim, 4 13/16 inches interior diameter, 4 inches interior depth, tapers to 3.75 bottom diameter. These pots are made with UV resistant plastic. Besides excellent pots for orchids, Net pots can be used for hydroponics and aeroponic systems. Re-useable, efficient air flow design, and cost effective. They can filled with coconut chips, orchids bark, Hydroton Clay Growing Pebbles, Grow Cubes, or granulated rockwool.