Designed with 360 degrees adjustable and 8 holes, these irrigation sprinklers can be irrigated and sprayed plants at 360 degrees like an umbrella, and easy for you to adjust flow of water. Owing to its wear resistant and high hardness merits so that these irrigation sprinklers can be maintained constant when laying for a long time or when the pressure fluctuates, watering plants at a slow rate. It is made of high-quality plastic material. The length of this product is 1.5cm and width is 2.5cm. This product is perfectly suitable 4mm inner diameter tube and 7mm outer diameter tube. Item Name: Irrigation Dripper Material: Plastic Features: Mini, Practical, Water-saving Size Details: Size: 1.5cm x 2.5cm/0.59" x 0.98" (Approx.) Notes: The quantity is about 100pcs, due to manual calculation, the quantity might have 1-10pcs more or less, hope you can understand, thank you. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 100 x Irrigation Drippers