{"product_id":"9ft-x-21ft-red-rectangle-sun-shade-sail-upf50-cool-outdoor-canopy","title":"9ft x 21ft Red Rectangle Sun Shade Sail UPF50 - Cool Outdoor Canopy","description":"\u003cp\u003eIn this review of the ShadeMart 9' x 21' rectangle shade sail, the bottom line is simple: this is a practical, heavy-duty sun screen for outdoor spaces that need reliable UV protection and airflow. The sail is best for homeowners or small businesses who want a durable, water-permeable canopy that cuts heat and sun exposure without trapping moisture. The reviewer found the woven HDPE fabric and stainless steel D rings provide durable construction, while the UPF50 protection and breathability deliver noticeably cooler shade for patios, carports, and pool areas.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWoven HDPE fabric:\u003c\/strong\u003e the high density polyethylene weave sheds heat while remaining breathable so air circulates beneath the canopy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel corner D rings:\u003c\/strong\u003e heavy duty attachment points are sewn to white webbing for secure anchoring to posts, walls, or trees.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater permeable design:\u003c\/strong\u003e allows rain and moisture to pass through so water will not pool on the sail during storms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPF50 sun protection:\u003c\/strong\u003e blocks up to 95% of harmful UV rays, significantly lowering temperatures in shaded areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom size option:\u003c\/strong\u003e a range of sizes is available so you can order dimensions suited to patios, carports, pergolas, and pools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis shade sail is a good choice for homeowners who need a durable, affordable way to reduce sun and heat on patios, over pools, or above outdoor seating areas. It works well for DIY installations where attachment points like posts, walls, or trees are available and the installer wants breathable fabric rather than a waterproof tarp.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for buyers who need a fully waterproof cover or an exact machine-precision rectangle; some customers reported size variations and irregularities from manual measurements, so those requiring exact fits or waterproof performance should consider different products.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuality woven HDPE offers durable UV protection while staying breathable.\u003c\/li\u003e\n\u003cli\u003eStainless steel D rings and heavy webbing provide secure mounting points for long-term use.\u003c\/li\u003e\n\u003cli\u003eThe water permeable design prevents pooling and keeps airflow, reducing heat under the sail.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot waterproof, so it will not keep out heavy rain.\u003c\/li\u003e\n\u003cli\u003eSize can vary due to manual measurements, so careful measuring is required before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eShadeMart\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShape\u003c\/td\u003e\n\u003ctd\u003eRectangle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e9' x 21'\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eWoven HDPE (High Density Polyethylene)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorner Hardware\u003c\/td\u003e\n\u003ctd\u003eStainless steel D rings with heavy white webbing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Resistance\u003c\/td\u003e\n\u003ctd\u003eWater permeable, not waterproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSun Protection\u003c\/td\u003e\n\u003ctd\u003eBlocks up to 95% of UV, UPF50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe ShadeMart 9' x 21' rectangle shade sail is a solid value for those who want effective UV protection, breathability, and durable attachment points for outdoor shade. It is especially good for patios, carports, and poolside areas where airflow and reduced heat are priorities; buyers needing waterproof coverage or millimeter-perfect dimensions should look elsewhere.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this sail waterproof?\u003c\/strong\u003e\u003cbr\u003eThe fabric is water permeable and breathable, so it will not be waterproof and will allow water to pass through.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it on posts and trees?\u003c\/strong\u003e\u003cbr\u003eYes, with proper hardware kits the sail can be attached to poles, trees, walls, or roofs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it block UV rays?\u003c\/strong\u003e\u003cbr\u003eYes, the weave blocks up to 95% of harmful UV rays and is rated UPF50 to reduce heat under the canopy.\u003c\/p\u003e","brand":"ShadeMart","offers":[{"title":"Default Title","offer_id":48190211784923,"sku":"B0B69Y43ZQ","price":125.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/A1gstAiWFwL._AC_SL1500_18c26798-3b25-4b94-8906-e93d7c54f500.jpg?v=1769518964","url":"https:\/\/gearmusthave.com\/products\/9ft-x-21ft-red-rectangle-sun-shade-sail-upf50-cool-outdoor-canopy","provider":"GearMustHave","version":"1.0","type":"link"}