Feature: 1. [Drip Speed Adjustable] This automatic watering device is simple , rotating water valve, drip speed can be adjusted. 2. [Long Service Time] Fill up with water at a time, up to 20 days can be water , so you have no worries, no fear of traveling on business. 3. [ Material] Plant watering spike is made of high quality plastic material, , safe, and can be used for a long time. 4. [Exquisite Workmanship] With beautiful appearance, exquisite workmanship, suitable for 25‑30mm common plastic bottles. 5. [Widely Application] Water dropper is widely used in many situations, such as gardens, courtyards, balconies, etc. Specification: Item Type: Water Dropper Material: Plastic Applicable Caliber: Approx. 25-30mm / 0.98-1.18in common plastic bottle Product Size: Approx. 18 x 5 cm / 7.1 x 2 in Application: Watering flowers Weight: Approx. 50g / 1.8oz Package List: 1 x Water Dropper Note: Please note that the color of this product will be sent randomly and make sure you will not mind before ordering