Product name: Automatic Flower Watering Device with Control Valve Packaging: Single OPP bag packaging (can be packed in any quantity as per customer requirements) Product function: Leak-proof design, adjustable water volume. Factory direct sales. Customization available based on samples. Color and creative design customization supported. Product instructions: Flow can be controlled. The plant watering device with control valve adjusts drip speed from 0 to 60 seconds per drop. Slow-release irrigation lasts 1 to 15 days. Simple and convenient to use with no complicated installation. Just drill a small or several small holes at the bottom of the bottle for drainage. Provides precise water amounts, delivering appropriate water levels for different plants and flowers. Helps prevent overwatering or underwatering, which can cause yellowing and leaf drop. Suitable for bottles with an inner diameter of 1.1 inches, including popular brands such as Dr. Pepper, Pepsi, Coca-Cola, Lipton, Diet-Cola, Aquafina, and others. Ideal for use during vacations. Supports watering for vegetables, indoor and outdoor gardens, daily watering needs, potted plants, indoor plants, herbs, garden plants, hanging baskets, tabletop pots, hanging plants, small trees, and shrubs. Quantity: 30 pieces