Tempera 9FT Auto Tilt patio umbrella

8 Ribs: Strong & durable umbrella stand, better than 6 ribs in bad weather High-durability Olefin Umbrella: Made of 3-year non-fading Olefin which is a kind of ideal and affordable outdoor fabric, water repellant and block up to 98% of UV rays Wind-Resistant Frame: 1.5" diameter thick rustfree Aluminum pole and 8 steel ribs provide enhanced durability to this market umbrella. Wind vent allows air flow also add stability