Tension is evenly distributed so the fabric remains flat and does not sag.
Due to the concave shape, our shade sails are slightly smaller than the specified size, which refers to the measurement to the D-ring not the textile surface.PRODUCT FEATURES:UV Blocking92% Shade RatingStainless Steel D-RingsIncludes 5' PE Ropes for Installation 1 per sideAVAILABLE SAIL STYLES:TriangleRectangleSquareSEASONAL SHADE and SHELTERPerfect for adding shade and ambiance to a backyard, patio, deck, porch, balcony, pool, driveway, pergola, or garden..