Half Umbrella with Easy Crank Operation: This 9-foot half patio umbrella features a smooth crank mechanism for effortless opening and closing, providing ample shade and conveniently fitting against walls or in tight spaces—just insert the steel pole into your outdoor base, stand, or table. Space-Saving Design: Perfectly sized for compact outdoor areas, the half round umbrella is ideal for balconies, decks, terraces, and patios, making it an excellent sun-shade solution for apartments, condos, and homes with limited space. Durable Vented Design: Made from durable polyester fabric, this umbrella withstands sun and light rain, while the vented canopy promotes airflow to keep you cool and adds stability in windy conditions. Stable Steel Construction for Long-Term Use: Built with a sturdy steel pole and 5 robust steel ribs, it provides reliable support and long-lasting durability, ensuring many seasons of outdoor enjoyment. Product Dimensions & Reliable Service: Crafted from steel, plastic, and polyester fabric; fits umbrella bases with a 1.5" pole diameter. Please note: umbrella base is not included.