Leave a 1.5 to 2 ft margin for connecting ropes or hardware kits. Ensure the smoother, coated side faces up.,Curved Edge Design & Splicing: Curved edges enhance tension, keeping the sail taut, while splicing seams are reinforced with waterproof coating to prevent leaks.,Durable & Versatile: Reinforced stitching at all four corners and tear-resistant fabric ensure durability.