Futaba Water Absorbent Polymers Crystal Water Jelly Mud Plant Grown Nutrient & Moisturizing Crystal Balls A Kind Of Water Absorbent Polymers That Can Be Used For Indoor Plants Growing Contain Tiny Holes (Cannot Be Seen By Bare Eyes) That Hold Air And Water Droplets Provide Oxygen & Nutrition, Helping Plants To Grow Simply Add Water To Activate The Little Beads To Turn Them Into Crystal Soil Bio-Degradable, Environmentally Safe & Easy-Swelling Odor Free And Insect Free -- Ideal For Home/ Office With Attractive Appearance After Swelling Also The Best Decoration For Vase, Soil, Gardening And Artificial Plants