Product Description Material: PP Color: orange, green, blue Size: 16.5*5.5cm Package Contents 12* Automatic Flower Watering Machine Adjustable Speed Design: The plant watering device with control valve can control the dripping speed. You can adjust the traffic from 3 to 20 days or more according to the time you need, and it will never kill your plants because the water flows too fast or too slow. Easy to Use: Just tighten the drip irrigation devices and then insert it into the soil, no nails needed and no danger. Our automatic watering system is ideal for watering indoor flowers, outdoor plants, or your vegetables on vacation. Suitable for Most Bottles: The self-watering spike is suitable for many bottle sizes. You are no longer limited to bottles with an inner diameter of 1.1 inches. The new waterer is suitable for 0.8 inches to 1.2 inches bottles: The tilt support helps your automatic watering system not to tilt even if the adjusted bottle is too large. Don't waste time trying to find the right bottle. Enjoy your vocation: Healthier plants. Enjoy your vacation with your family, leave your plants to me, water your plants and vegetables yourself, and let them thrive. Three colors: orange, blue, and green. It is made of preferred eco-friendly PP plastic. It measures 16.5 cm long, 5.5 cm wide, and 30 mm in diameter. The automatic flower watering device has good permeability and the watering speed is adjustable. The potted plant watering spike can be used with general plastic beverage bottles.