Watering balls for plants and flowers, 8 pieces, various applications - the watering balls are suitable for potted plants, houseplants, patios, hanging baskets, table pots, hanging plants, and garden plants. Large set - the complete set includes 8 watering balls. With a capacity of 280 ml each, you can maintain optimal soil moisture. Depending on the size and type of the plant, pot size, microclimate, or weather conditions, it may be advisable to use more balls. Performance - the PVC material from which the balls are made is unbreakable and transparent. This allows you to clearly see the amount of water inside, and the balls themselves are discreet and unobtrusive. Convenient application - fill the ball with water and then place it in the soil of the pot. When the soil dries out, oxygen is released, which dispenses the water from the reservoir. Just the right amount that the plant needs at that moment. For this reason, you can go on vacation, for example. Specification - Color: transparent; Material: PVC; Capacity of one ball: 280 ml; Dimensions of one ball: 24 x 8 cm; Weight of one ball: 38 g; Total weight: 304 g; Weight in package: 539 g. Includes 8 balls. The operation of the watering balls is pure physics. Air-filled spaces form in the drying substrate. Air bubbles from the soil enter the ball through the neck and rise, as they are lighter than water. This pushes the water out of the ball and moistens the soil where the air-filled spaces disappear. Another portion of the water is released again when the soil dries out.