Soil Moist™ is a safe, non-toxic polymer soil additive that can be very beneficial to your garden! Adding Soil Moist™ can help reduce watering by 50% which helps plants from drying in the heat of the Summer but also helps the environment by decreasing general water consumption. This additive can also help decrease transplant shock and increase soil aeration, giving your plant the best start to successful growth! This 8 ounce package is resealable and does not expire as long as the beads are kept dry. No need to continue adding Soil Moist™, they will last in your soil for 3-5 years!