patio tree 10'x13' outdoor pergola non-rust aluminum patio retractable gazebo shelter with sun shade canopy (grey) patio tree the pergola is beautiful and attractive and will be a perfect addition to a nice party or gathering with your family and friends. it is manufactured from high quality aluminum, rust-free and anti-corrosion, which is durable and long term use. the 100% polyester fabric canopy with pa coating, which is durable, weather resistant for years of use. sturdy yet lightweight, this roman style shade canopy provides superior uv block and can withstand rain, snow and other weather conditions. the canopy is adjustable so you can choose to enjoy the sunshine or rest in the shade as your desire. you can use it to provide shade to an outdoor dining area, or over doors and windows as an architectural element.