MaterialThis is made of plastic, can reuse. Automatic plant waterier has high strength and toughness, good heat and cold resistance, safe and durable. Water Volume ControlThis is automatic watering system for potted plants, design with drip irrigation valve, can control the flowing rate and avoid over-watering, provide different amounts of water for different plants and flowers. Upgrade DesignThe plant waterier adopt constant pressure design, the water flow is more stable. Dust-proof closed connects mouth design to prevent dust and insects from falling to make them blockage. Easy to UseSimple to install, just connect the plastic or glass drink bottles, and insert the watering stakes into the plant pot, and then open the control valve and adjust the flowing rate for you need. Fit Most BottlesOur watering system for plants have inclined reverse plug-in interface design, will compatible with 25-30mm calibers beverage bottles. Watering plant waterier are not affected by water pressure and stop dripping, so don't need to poke hole for bottles. Material: PP Plastic Color: Pink or Green or Beige Size: 18x5 cm or 7.09x1.97 in Package Includes:12 x Automatic Watering Devices Note: 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.