High Quality: Made of durable HDPE material with strong stitched seams, make it tear-resistant. Curved sides enhance pull strength. Sun Protection & Breathable: The knitted design effectively reduces heat, keeping your patio cool. The permeable fabric allows cool air to penetrate the outdoor sun shade sail, providing an airy, comfortable space. Edge Multi-ring Design: Prevents sagging and ensures a taut and stable structure. Grommets allow for flexibility in installation, enabling the shade sail to be easily adjusted or repositioned as needed. Multi-use: The sun sail shade can provide a larger shading area in a pergola, garden, deck, swimming pool, BBQ areas, pond, courtyard, backyard, park, carport, lawn, driveway, or any other outdoor space. Easy to Install: Durable grommets in each shade sail corner make the rectangular sun shade sails easily attachable to any sturdy connection point. If you have any questions or are unsatisfied, please click on our seller name "FreshHappy" and then click "Ask a Question." sun shade sail