Product description Material: PP plastic Color: orange, blue, green (mixed packaging) Quantity: 6pcs, 12pcs Package content: 6pcs/12pcs automatic flower watering device 1.Adjustable Velocity Design : The plant watering Device withcontrol valve can control the dripping speed .You can set traffic for 3-20 days or More depending on the time you need and will never kill your plants because the water is flowing too fast or too slow. 2.Easy to Use: Just tighten the drip irrigation watering devices, and then insert it into the soil, no need nail and no danger. Our automatic watering system ideal for watering the indoor flower, outdoor plant or your vegetables during vacation. 3.Suitable for Most Bottles: Self watering spike is suitable for bottles of many size, the new waterer suitable for the bottle from 0.8in to 1.2in.The anti-tilt bracket helps your self-watering system not to tilt though the fitted bottle is too large; Don't waste time finding the right bottle, most bottle make the self-watering system work. 4.Three Colors: Orange, blue, and greenMixed packaging. It is made of preferred environmentally friendly PP plastic.And it is 16.5cm long, 5.5cm wide and 28mm in diameter. The automatic flower watering device has a good permeability, and the watering speed can be adjusted.