DeWitt Dew Right Tree Watering Bag is designed to provide a drip irrigation system directly to tree roots over an extended period of time. Take the stress out of planting new trees with our 20-gallon tree watering bag. This bag is designed to ensure that your new trees will survive their crucial first year after being planted. It eliminates the severe water stress new trees endure after transplanting by delivering a high volume of water directly to their root system and continually waters up to 8 hours.