MTN OutdoorGear 20'x16' Deluxe Square Retangle Sun Sail Shade Canopy Top - Beige 20 'x 16' Rectangle Shade Sail and includes the tension mounted steel D-rings which are double stitched into the corners. **(Please note all sail shade edges do curve inwards for aesthetics and durability and are measured from D ring, to D ring.)** 4' of weather-resistant polypropylene rope for each corner which you can use for mounting. Carrying Case