The BFM UBD13SQ is a premium market umbrella designed for durability and style. With a generous 13-foot square top and four panels, it provides ample shade for outdoor spaces. The robust bolt-down feature ensures stability, while the telescoping 4-inch center post allows for easy height adjustment. The crank lift mechanism simplifies opening and closing, making it user-friendly. Constructed from anodized aluminum, this umbrella is resistant to rust and corrosion. The 9-ounce marine-grade acrylic fabric offers excellent UV protection and is designed to withstand the elements, ensuring long-lasting use in various outdoor settings.