Project type: flower watering tool Quantity: 30 Colour: random colour Material: ABS plastic Package includes: 30 shower tools (bottle not included, random colour) Feature: you can get the right flow after the required time, so you don't have to worry about the water flow too fast. or the holes are blocked. Random flow control, you can operate from large to small, just put it in the right bottle. Just fill a bottle with water and use a bottle on the ground. Watering the spikes of this plant can provide the plant with the right amount of water, thus preventing the water from overflowing and keep the plant alive. By avoiding overwatering or underwatering to grow healthier plants, there is no need to worry about reducing flow control. Note: for air holes, please pierce or cut the bottom of the bottle to better control the flow. 500ml Sprite, 500ml or 2.3L Coke bottle. . Range of applications: suitable for indoor and outdoor plants. Note: Due to different product batches or manual measurement, size may have a slight error.