This patio umbrella features a robust steel pole and high-quality polyester fabric, ensuring it is rust-resistant and waterproof, making it ideal for outdoor settings. Notably, it includes a durable base that can be filled with sand, ranging from 30-60kg, to ensure stability. Additionally, this solar-powered double-sided umbrella is equipped with 36 LED lights and high-efficiency solar panels, enabling you to enjoy your outdoor space both day and night. The expansive double-sided design not only complements your outdoor furniture but also offers an extensive area of shade. The umbrella fabric is secured with a rope when not in use, and a wind vent is incorporated to facilitate airflow and enhance stability.