{"product_id":"9ft-x-21ft-black-sun-shade-sail-upf50-rectangle-cooling-outdoor","title":"9ft x 21ft Black Sun Shade Sail UPF50 Rectangle - Cooling Outdoor","description":"\u003cp\u003eOur review of the ShadeMart 9' x 21' Black Sun Shade Sail finds it best for homeowners and renters who need affordable, heavy-duty sun protection for patios, carports, and yards. The single biggest reason to buy is its practical balance of durable woven HDPE fabric and strong stainless steel corner D rings, which deliver reliable shade and cut sunlight by up to 95% while remaining breathable and water permeable. It is not waterproof, but it does lower temperatures noticeably and stands up to regular outdoor use.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMATERIAL:\u003c\/strong\u003e Woven HDPE fabric provides a tough, fade-resistant surface that blocks most UV while staying breathable for long use outdoors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Stainless steel corner D rings attached to heavy duty white webbing give strong attachment points for secure installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSun Protection:\u003c\/strong\u003e UPF50 sun blocking reduces harmful rays and can lower the shaded area temperature by roughly 10 to 15 degrees on sunny days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Permeable:\u003c\/strong\u003e The breathable weave allows water and air to pass through so rain does not pool and wind loads are reduced.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Size Options:\u003c\/strong\u003e Multiple custom sizes are available so you can match the sail to patios, carports, or pools when you measure carefully.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyling:\u003c\/strong\u003e Rectangle shape in neutral black that integrates with many outdoor designs while functioning as a decorative canopy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis shade sail suits homeowners, renters, and small business owners who need a durable, attractive canopy for seating areas, pools, carports, pergolas, or playgrounds. Its breathable HDPE fabric and steel D rings make it a practical choice for locations that need long-lasting sun protection without trapping heat or allowing water to pool.\u003c\/p\u003e\n\u003cp\u003eIt is not a fit for someone who needs a waterproof shelter or a perfectly rigid rectangular structure; buyers who require full rain protection or exact machine-cut symmetry should consider a purpose-built waterproof canopy instead.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh UV protection with UPF50-rated woven HDPE that meaningfully reduces heat under the sail.\u003c\/li\u003e\n\u003cli\u003eDurable stainless steel D rings and heavy webbing hold up well to repeated installation and windy conditions.\u003c\/li\u003e\n\u003cli\u003eBreathable, water-permeable fabric prevents water pooling and reduces wind stress on anchors.\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple custom sizes to fit a variety of outdoor spaces.\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 provide full rain protection during heavy storms.\u003c\/li\u003e\n\u003cli\u003eSome customers report size or shape variation from manual measurement, so accurate measuring is important.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\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\u003eUV Protection\u003c\/td\u003e\n\u003ctd\u003eBlocks up to 95% UV (UPF50)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware\u003c\/td\u003e\n\u003ctd\u003eStainless steel corner D rings with heavy duty 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\u003eShape\u003c\/td\u003e\n\u003ctd\u003eRectangle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe ShadeMart 9' x 21' sun shade sail is a solid value for anyone who needs effective UV reduction and a durable, breathable canopy for patios, carports, and outdoor living spaces. It is particularly good when buyers measure carefully and accept that the fabric is water permeable rather than waterproof; for those needs it delivers long-lasting protection, easy installation, and sensible styling.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this shade sail waterproof?\u003c\/strong\u003e\u003cbr\u003eIt is water permeable and breathable, so it allows water to pass through and is not waterproof for rain protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much sun does it block?\u003c\/strong\u003e\u003cbr\u003eThe woven HDPE fabric blocks up to 95% of harmful UV rays (UPF50) and can lower temperatures in the shaded area by about 10 to 15 degrees.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I customize the size?\u003c\/strong\u003e\u003cbr\u003eYes, multiple custom sizes are offered but you should measure your space accurately because manual measurements may cause slight variations.\u003c\/p\u003e","brand":"ShadeMart","offers":[{"title":"Default Title","offer_id":48612534485211,"sku":"B0B69X569D","price":125.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81KPSgNRfmL._AC_SL1500_657aca51-29a8-4c69-b603-efb529dc911e.jpg?v=1778364376","url":"https:\/\/gearmusthave.com\/products\/9ft-x-21ft-black-sun-shade-sail-upf50-rectangle-cooling-outdoor","provider":"GearMustHave","version":"1.0","type":"link"}