NIUNIU Auto Drip Irrigation Watering System Dripper Spike Kits Household Plants Flower Waterer Dripper Automatic Waterer Tool Simple and convenient, without any tedious installation, just drill some holes in the bottom of the bottle or cut the end of the bottle; Exact amount of water. Supply different amounts of water to different plants and flowers. Material: Plastic Color: grey+blue+green Size: 13.5*3.5CM Quantity: 6 pieces Warm prompt: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding 3. Only the above package contents, excluding other products.