TekSupply 109738 Aero Soft Grow Containers 30 Gallon Manufactured from a porous&#44; yet sturdy fabric that allows better heat dissipation and excess water Aero Soft Grow Containers air-prune roots&#44; causing plants to grow a healthy&#44; non-circling root Sizes available for any type plant&#44; including perennials&#44; vegetables and trees. Commercial tree growers will experience the benefit of having the bulk of harvested trees roots intact Fold flat for easy storage.