DescriptionThis is a set of 12pcs automatic self-watering device. Precise control switch, adjust the of water flow more easily and effectively. We upgraded the switch, it is easier for you to change the of the waterer.Made of plastic and you can use it repeatedly because each irrigation drippers ensure long service life .Features-Color: Random Color.-Material: Plastic.-Size: About 15.50X4.00X2.00cm/ 6.09X1.57X0.79inch.- Made of plastic and you can use it repeatedly because each irrigation drippers ensure long service life .- It can be reused over and over. Reduce waste and protect the environment.- The plant watering device is suitable for all most bottles.- Whether your plants are indoor or outdoor, at home or in the office, this self watering spikes system ensure your plants hydrated.- These plant watering devices are perfect for potted plants, houseplants, patio plants, hanging baskets, deck pots, hanging plants or any other plants.