San Diego Sail Shades - "Waterproof" 12' Square Shade Sail - White Cream Stylish and versatile protection from the sun's harmful UV rays. Keeps you cool throughout the year Perfect solution for your outdoor areas, giving them a stunning contemporary look Waterproof and easy to install # High density "White Cream" polyester (180gsm UV stabilised)# - Machine washable at 40 degrees Celsius **(Please note all sail shade edges do curve inwards for aesthetics and durability and are measured from D ring, to D ring.)** Available in either square, triangular, right angle triangular and rectangular shapes. These can be used alone or in combination to shade the required area.