This set of 3 oval shaped grow bag pots by gardman is the perfect solution to growing tomatos on your patio or anywhere where space is at a premium a reservoir holds liquid to allow slow water of plants and the pots feature holes that house support canes r makes watering and liquid feeding easy and accurate stimulatinbg rapid root growth and healthier plants growbag pots have beem proven to significantly increase fruit yieldr stimulates rapid root growth and healthier plants makes water