High Quality Materials: The Drip Irrigation Bottle is made of PP Plastic, have good cold and heat resistance, durable, can be reused for many times. It can be used continuously even in harsh conditions and has a long service life. Adjustable irrigation set: The new irrigation system with control valves, provides different amounts of water for different plants. Can control the speed of water droplets in the droplet from 0-90s/1, and the continuous drip lasts for several days. Adjust the valve only to meet your needs without complicated setup steps, save time and water. Easy to use: Drip irrigation bottle, quick installation, no tools required, no need to drill holes in the bottle. Simply attach the watering device to the bottle opening, then turn the bottle upside down and insert the nozzle into the ground and unscrew the water valve, you don't have to worry about the water pressure, no leaking, simple and convenient. Package Contents:You will receive 12 pieces automatic plant sprinklers. (three colors: green, beige, pink), suitable for bottles of different sizes. Ideal for constructing automatic water irrigation control systems for outdoor and indoor potted plants. Wide Uses:Whether indoor plants /outdoor or garden, home or office, perfect for potted plants, indoor plants, garden plants, hanging baskets, flower pots, hanging plants and more. Perfect for watering vacation plants, never worry about your plants dying on a business trip or vacation.