Product Description: Our patio umbrella is made of high quality sturdy steel pole so it is more durable and stable. 8 pcs ribs support makes this patio umbrella more stable. Our offset umbrella is design with solar panel and 32 LDE lights, so it is perfect and convenient not only for the day use but also for the night use. Technical Specifications: Opening dimension: 10¡¯ x 10¡¯ ft Material: polyester fabric / Aluminum straight pole, steel bent pole Color: Red / Wheat Opening Mechanism: Crank open mechanism Features: solar panel, 32 LED light bulbs, steel cross base Cleaning and Maintenance 1.Easy to clean, rust resistant. No special maintenance 2.Check stability regularly. Screws may loosen and need to be tightened