High-Quality Construction: Made with 185 gsm high-density polyethylene (HDPE) shade fabric; features well-stitched seams and sturdy stainless steel D-rings in each corner for lasting durability Breathable Design: Fabric promotes airflow while providing substantial shade; curved edges prevent rainwater buildup, extending the lifespan of the sun sail; not waterproof Installation Guidelines: Measure from D-ring to D-ring; leave 1.5-2 feet for hardware between the sail's D-ring and mounting points; consider sizing sail at 88% of the installation area's dimensions to avoid sagging; hardware kit not included Maintenance Tip: Remove the shade sail during severe weather conditions to maintain optimal performance Versatile Shade Solution: Ideal for patios, gardens, pools, and more; provides 85%-88% sunshade and blocks 95% of harmful UV rays; enhances outdoor privacy and creates a cool, enjoyable ambiance