The benefits that Senwametsi provides are that it is:
-drought resistant 
-biodegradable 
-convenient; takes up less space than a water tank
-long lasting; effective for 2-5 years
-safe and easy to use
-can be mixed with fertilizer
This is an easy way to supply water to your lawn, trees and or plants and reduces the amount of watering, saving at least 80% water.