{"product_id":"custom-size-18ft-x-21ft-white-rectangle-sun-shade-sail-tight-fit","title":"Custom Size 18ft x 21ft White Rectangle Sun Shade Sail - Tight Fit","description":"\u003cp\u003eIn this review of the Custom Size 18' x 21' White Rectangle Sun Shade Sail the bottom line is simple: this is a practical, heavy-duty shade for anyone who needs a precisely fitted canopy that blocks heat and provides privacy. The reviewer found the sail best for patios, pools, driveways or carports where a tailored fit and long-term UV protection matter most, and the curved edge design that prevents sagging is the single biggest reason to buy if appearance and a taught installation are priorities.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade for a Perfect Fit:\u003c\/strong\u003e Corner-to-corner measurements and curved edges deliver a tight, clean look that resists sagging over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable UV-Blocking Material:\u003c\/strong\u003e Virgin polyethylene construction provides lightweight strength while blocking up to 95% of UV rays and reducing visibility by about 90% for cooling and privacy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-Season Use:\u003c\/strong\u003e Suitable for summer sun protection, night frost reduction and light rain coverage, making it useful year-round on patios and pools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Sizes Available:\u003c\/strong\u003e Each shade is manufactured to order so it can be tailored to nonstandard spaces and delivered on time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Year Limited Warranty:\u003c\/strong\u003e The sail is backed by a warranty that adds confidence for longer-term outdoor use and durability expectations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis shade sail is ideal for homeowners or renters who want a neat, low-profile sun canopy that matches a measured space. It is particularly useful for those shading patios, balconies, pools, carports and driveways where blocking heat and adding privacy are primary goals.\u003c\/p\u003e\n\u003cp\u003ePeople who want a temporary pop-up or an ultralight decorative fabric may want to look elsewhere; this product is built for lasting outdoor coverage and precise fit rather than purely decorative or ultra-portable use.\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\u003eEffective \u003cstrong\u003eUV blocking\u003c\/strong\u003e that keeps shaded areas noticeably cooler and reduces sun exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit and finish\u003c\/strong\u003e are strong points thanks to corner-to-corner sizing and curved edges that minimize sag.\u003c\/li\u003e\n\u003cli\u003eGood value and durability noted by users, with reports of several years of useful life under outdoor conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstallation can be mixed in experience; some customers report the setup requires care and proper anchoring to achieve the intended tight look.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eRectangle sun shade sail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e18' x 21'\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eVirgin polyethylene (UV-blocking)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUV protection\u003c\/td\u003e\n\u003ctd\u003eBlocks up to 95% of UV rays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVisibility reduction\u003c\/td\u003e\n\u003ctd\u003eUp to 90% visibility block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3-year limited warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Custom Size 18' x 21' White Rectangle Sun Shade Sail is a sensible choice for anyone needing a custom-fit outdoor canopy that prioritizes \u003cstrong\u003eUV protection\u003c\/strong\u003e, neat appearance and durability. It represents good value for patios, pools and carports when anchored properly, and the local custom manufacturing plus a 3-year warranty make it a reliable long-term option.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the size measured?\u003c\/strong\u003e\u003cbr\u003eMeasurements are taken corner-to-corner so order dimensions match the installed footprint rather than edge-to-edge.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used year-round?\u003c\/strong\u003e\u003cbr\u003eYes; the fabric is suitable for summer sun protection, reducing night frost and providing light rain coverage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it really block sunlight?\u003c\/strong\u003e\u003cbr\u003eYes; the virgin polyethylene material blocks up to 95% of UV rays and reduces visibility by about 90% for cooling and privacy.\u003c\/p\u003e","brand":"SHADESPEARE","offers":[{"title":"Default Title","offer_id":48607047581915,"sku":"B09J3JKBK6","price":191.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81xXAnT3ocL._AC_SL1500_81b2ab28-6366-45bd-a95f-cfc4f715e193.jpg?v=1778575567","url":"https:\/\/gearmusthave.com\/products\/custom-size-18ft-x-21ft-white-rectangle-sun-shade-sail-tight-fit","provider":"GearMustHave","version":"1.0","type":"link"}