Triangle Shade Sail Structure Shade fabric is extremely versatile and its only limitations are imagination. We are able to cover large areas with the minimum amount of posts. The fabric used is a heavy duty knitted shade cloth specifically developed in Australia to give a very strong and stable outdoor fabric for use in shade sails. The special fabric blocks up to 99% of the suns harmful UV rays but allows in light and reduces the temperature in the shaded area by up to 32%. The posts are made from galvanized steel with a powder coated colour option available. Sizes Available 6m x 6m 7m x 7m 8m x 8m