16' x 20' Rectangle Waterproof Sun Shade Sail, Sail Shades Canopy Cloth Shelter Cover, 95% UV Blockage & Water Resistant, Sunshade Awning Canopies Outdoor for Patio Garden Backyard Deck -Rust Red Grill Cover easy to put on and

easy to put on and put off

It keeps your screen safe

Two downward side air vents provide maximum ventilation and minimal condensation

and you can easily finish the installation

16' x 20' Rectangle Waterproof Sun Shade Sail, Sail Shades Canopy Cloth Shelter Cover, 95% UV Blockage & Water Resistant, Sunshade Awning Canopies Outdoor for Patio Garden Backyard Deck -Rust Red Grill Cover easy to put on andMaterialWaterproof 420D Polyester Oxford Fabric Size16' x 20' Rectangle ColorRust Red SIZE GUIDE Please refer to the diagrams before purchasing. To ensure you buy the correct shade sail, you need to leave 0. 5 1 ft of space for accessories to avoid buying an oversized sun shade sail. In addition, due to the characteristics of this fabric, there may be a tolerance of 4 inch from the outer edge of one D ring to the outer edge of the other D ring.