copa Brand Outdoor Patio & Beach Premium Umbrella Certified by Skin Cancer Foundation UV Protection UPF 50+ Reinforced with Metal Ribs (Assorted Colors and Sizes) Spun Polyester Imported Made with Heavy Duty 180g Polyester Fabric Mounted on Steel Tube Ribs Structure and Steel Tube Pole (1.25" Diameter) Reinforced Metal Ribs for Windier Days Convenient Carrying Sleeve Included Air Vent Design to direct air upwardly and laterally from the umbrella, which relieves the pressure on the interior of the umbrella to prevent it from being turned inside out. Recommended by Skin Cancer Foundation UPF 50+