Heavy Duty 16' x 16' Square Garden Outdoor Sun Shade Sail Canopy Sand 185gsm Polyethylene breathable fabric Includes D-Ring double stitched in each corner Includes 4 x 4' polypropylene rope The breathable fabric allows hot air to rise and go through it to cool the area below Carrying Case - **(Please note all sail shade edges do curve inwards for aesthetics and durability and are measured from D ring, to D ring.)**