{"product_id":"shademart-16-ft-x-21-ft-sand-beige-rectangle-sun-shade-sail-cool","title":"ShadeMart 16 ft x 21 ft Sand Beige Rectangle Sun Shade Sail - Cool","description":"\u003cp\u003eIn this review the ShadeMart 16' x 21' Sand Beige Rectangle Sun Shade Sail is assessed for homeowners and outdoor hosts who need a large, breathable canopy to lower daytime temperatures. The single biggest reason to buy is its combination of heavy-duty woven HDPE fabric and stainless steel corner D rings, which deliver durable, sun-blocking coverage while remaining water and air permeable. This makes it a practical choice for patios, carports and poolside areas where airflow and UV protection are priorities.\u003c\/p\u003e\n\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 cloth blocks up to 95% of harmful UV rays while staying breathable, helping to reduce temperatures by about 10 to 15 degrees under the sail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel corner D rings:\u003c\/strong\u003e Heavy duty stainless hardware attached to white webbing provides secure attachment points that resist corrosion in exterior use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater and air permeable:\u003c\/strong\u003e The fabric allows rain and wind to pass through, preventing ponding and reducing wind load compared with solid waterproof covers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom sizing available:\u003c\/strong\u003e A variety of custom sizes are offered so buyers can match irregular spaces, but accurate measuring is required because dimensions are made to order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRectangle styling:\u003c\/strong\u003e The clean rectangular shape and neutral sand beige color integrate with existing outdoor decor while providing large continuous coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile installation:\u003c\/strong\u003e With the proper hardware kit, the sail can be mounted to walls, poles, trees or roofs for many applications from carports to pergolas.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis shade sail is best for homeowners, renters with permanent anchors available, and small-business outdoor seating areas that need substantial sun protection without trapping heat. It suits those who prioritize airflow and UV resistance over full waterproofing and who can provide or install suitable anchor points.\u003c\/p\u003e\n\u003cp\u003eIt is less appropriate for buyers who need a fully waterproof cover for constant rain protection or for very precise off-the-shelf dimensions; customers seeking complete waterproofing or expecting factory-perfect measurements should consider a different product.\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\u003eDurable woven HDPE material provides long-lasting sun protection and feels robust in use.\u003c\/li\u003e\n\u003cli\u003eStainless steel D rings and heavy webbing make mounting secure and corrosion resistant.\u003c\/li\u003e\n\u003cli\u003eBreathable, water-permeable design prevents puddling and allows airflow beneath the sail.\u003c\/li\u003e\n\u003cli\u003eCustom size options and neutral styling adapt to many outdoor settings.\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 fully protect from steady rain.\u003c\/li\u003e\n\u003cli\u003eSize variations from manual measurement have been reported, so careful measuring is required before ordering.\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\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\u003e16' x 21' (approx)\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\u003eHardware\u003c\/td\u003e\n\u003ctd\u003eStainless steel corner D rings with heavy white webbing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctionality\u003c\/td\u003e\n\u003ctd\u003eWater and air permeable; blocks up to 95% UV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eSand Beige\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe ShadeMart 16' x 21' sand beige rectangle sun shade sail is a strong value for anyone wanting large, reliable UV protection and airflow for patios, carports or pool areas. Its robust HDPE fabric and stainless steel corners make it durable, and custom sizing lets it fit many spaces; just be aware it is not waterproof and requires careful measurement and proper anchors.\u003c\/p\u003e\n\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 fully waterproof and is designed to allow rain to pass through.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much UV protection does it provide?\u003c\/strong\u003e\u003cbr\u003eShadeMart states the fabric blocks up to 95% of harmful UV rays, significantly reducing sunlight exposure under the sail.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be attached to trees or poles?\u003c\/strong\u003e\u003cbr\u003eYes, with the proper hardware kit the stainless steel D rings and webbing allow attachment to poles, trees, walls or roofs.\u003c\/p\u003e","brand":"ShadeMart","offers":[{"title":"Default Title","offer_id":48685103218907,"sku":"B091P7VJSP","price":167.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91ZcqeZlJML._AC_SL1500_10d7707a-25ae-4327-90c3-181da31854bc.jpg?v=1778662425","url":"https:\/\/gearmusthave.com\/products\/shademart-16-ft-x-21-ft-sand-beige-rectangle-sun-shade-sail-cool","provider":"GearMustHave","version":"1.0","type":"link"}