The Adriatic rectangular market umbrella provides relaxing shade and ease of operation at an affordable price. The super strong aluminum pole has a convenient autotilt feature for afternoon sun and an easy crank to open and close the umbrella. The high quality and modern styling of this umbrella make it a beautiful addition to your backyard pool or patio. The Adriatic's 6-rib canopy sports a single wind vent that allows air to escape and limits wind damage. We offer the canopy in Olefin fabric with a 30 month warranty or Sunbrella acrylic with a 5 year warranty!