Product : Size: 10.5*4cm Material: ceramic + plastic Color: green Applicable to: 28/38 caliber Product Package contents: 4-piece ceramic lazy flower watering device with flower pot < p> 1. 【High Quality】Made of ceramic and ABS plastic, automatic watering of indoor and outdoor potted plants and containers. 2. 【Precise and Efficient】When the bottom of the pot is dry, this spout drips gradually and accurately. When the soil is sufficiently moist, the dripping stops automatically. You can also add liquid plant food to stimulate growth. 3. 【Easy to Use】 Just screw it onto an old plastic water bottle and insert it into the base. No need to leave the bucket of water aside. 600ml can last for 5-7 days. 4. 【Widely Used】 Not easy to evaporate, drain slowly to prevent rot. Perfect for business trips, vacations, holidays, especially for people who are not good at cultivating land.