Dimensions: The pergola size is 11' × 13' with screens for two short and one long beam side. Screens are only suitable for PURPLE LEAF louvered pergola. Sunshade Screens: Equipped with two independently adjustable screens, it offers customizable sunshade coverage, enhancing privacy and comfort. Reinforced Construction: The durable aluminum framework and improved larger beam size ensure the pergola withstands 60 mph winds. 0° to 90° Adjustable Pergola Louvers: Unique design of two independent adjustable roofs customizes the shade up to 143 square feet, allowing you to do different things in two adjacent areas. Hidden Water Gutter Design: The advanced integrated drainage system effectively diverts rainwater from the louvers into the posts in four directions and then to the ground, preventing water accumulation on the roof. Premium Aluminum Material: Made from high-grade aluminum, our pergola is rust-resistant, durable, scratch-resistant, slip-resistant, and fade-resistant. Protection Plan: 1 year for frame construction. Easy to assemble. Disclaimer: Furniture NOT INCLUDED. PURPLE LEAF doesn't offer installation service. All the installation service from the order page is from third parties. PURPLE LEAF Outdoor 11' × 13' Louvered Pergola with Screens Patio Adjustable Aluminum Canopy Retractable Metal Roof for Deck Outside Backyard Hardtop Gazebo Sun Shade, 2 Short and 1 Long Side