1.Multiple uses: The bottom of the dropper is and can be easily inserted into the ground. Suitable for ground plants, potted plants, landscapes, flower beds, vegetable gardens, herb gardens, greenhouses, orchards, lawns, natural plants, etc. 2.Size and material: Adjustable irrigation drippers are suitable for 4 mm or 7 mm drip tubes with a height of approximately 13.5 cm / 5.3 inches each; made of plastic with a long lifespan, not easy to break. 3.Usage: Turn the green cover at the top of the dropper to adjust the water outlet and flow state. Turn left to close the water. Turn right to adjust the shape of the water flow from drip to nozzle according to needs; The dropper can be removed and cleaned. 4.Adjustable dripper with 8 holes: The top of these drippers is equipped with 8 puncture holes, which can be used to adjust the water flow and control the flow rate according to the plant; with 360degree coverage, so the spray range can be more comprehensive.