This tree watering bag is very similar to the Treegator 20 gallon watering bag (#98183). They both have a 20 gallon capacity, sit vertically on your tree, and are green in color (treegators are a brighter green while this is a darker green) and most importantly the bags will cost you less than Treegator.
Eliminate the severe water stress that new trees endure after transplanting. This tree watering bag is designed specifically to increase first-year survival rate and set the stage for a long, healthy life. A single bag will fit a tree up to 3" caliper and it holds 20-gallons. Installs easily in just 5 minutes, without tools. A single bag fits trees up to 3" in diameter. Zip two bags together to fit a 3" to 5" diameter tree. Can be used with plant nutrients.Tree Watering Bags will release water for 5-8 hours. Made from heavy-duty, green-coated polypropylene that is UV stabilized to last after long hours in the sun. Safe to use with nutrient or chemical additives.