Plant flower automatic watering irrigation tool is made by high borosilicate glass with good transparency, can clearly see the amount of the water inside. It is great for indoor and outdoor potted plants, such as houseplant, hanging plant, patio plant and so on. Features -Color:Transparent -Material:High borosilicate glass -Size:24.00X11.30X4.50cm/9.43X4.44X1.77in -With these self watering , no worry about your plants lacks of water when you go to travel or on business for short time. -The plant watering device sustained drip lasts for 7-14 days. Perfect for holidays and very useful for plants. -This automatic watering device is very durable and practical for lasting use, which is a simple solution for houseplant self watering. -Transparent body, you can clearly see the amount of water in the water, filling the water directly into the soil. -Clear and decorative, creative shaped design, more adorable, you can give it to your friends or your families to make a big surprise. Package list: 4 x Self Watering