Plant Warrior Growing Containers New Patent Pending cone technology, promotes vigorous root growth, while using less soil. Plant Warrior growing containers provide added oxygen to the soil environment. Patent Pending design allows oxygen to be drawn through the bottom of container promoting, healthy, strong roots. Sturdy injection molded containers. Available in four sizes, 1 gallon, 2 gallon, 3 gallon and 5 gallon. Reusable and easy to clean.