Adeco 9 Feet Outdoor Market Aluminum Umbrella with Tilt and Crank, for Patio Yard Beach cafe and pub,8 Ribs Rust-resisWithout base 9Ft Outdoor Market umbrella with Tilt & Crank Crank open system, easy to open and close, and easy tilt 8 steel ribs for extra strength and aluminum center pole.Without base Features 2 position Tilt Material: polyester & Coasted Aluminum Pole; Simple assembly required