Best Quality Beautifully Water jelly ball An ideal gift for a housewarming, birthday, or anniversary party. Put the plastic water balls into the water for about 3-5 hours. It s ideal for indoor home/ office desktop plants. Also the best decoration for the vase, soil, gardening, and artificial plants. provide oxygen and nutrition, helping plants to grow. A kind of water-absorbent polymers that can be used for indoor plant growing. Keep out of direct sunlight.