Geo Pot Aeration Fabric Plant Container Tan 1 Gallon Size 5 per Order (vob) The GeoPlanter is designed to promote healthy growth by aerating the root zone of the plant and prevent anaerobic condition in the soil Once the plant roots reach the fabric container wall the roots are air pruned Studies have shown that the GeoPlanter creates an air barrier to insulate the root zone during cold weather, while letting air flow around the container edge to prevent over heating of the root zone during hot weather The GeoPlanter is a geotextile gardening container made from the highest quality polypropylene fabric Satisfaction is guaranteed