Our multi-operational Essential Fiberglass Umbrella features an aluminum center pole and is ideal for both in-pool and on-deck use. High-quality materials, such as thick but flexible fiberglass ribs, sewn-in vents, durable aluminum pole and marine-grade fabrics make the Essential Fiberglass Umbrella resistant to wind, corrosion, rust, and warping. Choose from a multitude of canopy and pole combinations to create the perfect umbrella to match your personal style.