{"product_id":"custom-size-21ft-x-21ft-brown-square-sun-shade-sail-tight-fit-uv","title":"Custom Size 21ft x 21ft Brown Square Sun Shade Sail - Tight Fit, UV","description":"\u003cp\u003eIn this review of the Custom Size 21' x 21' Brown Square Sun Shade Sail the bottom line is simple: this is a practical, heavy-duty shade for homeowners and small businesses who need reliable sun and light-rain protection with a neat, custom fit. The reviewer found the sail's corner-to-corner measurement approach and intentionally curved edges deliver a taut, clean canopy that resists sagging, while the virgin polyethylene fabric effectively blocks sun and prying views. If you need a large, custom-cut square sail that balances privacy, cooling and durability, this is worth considering.\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 are designed to reduce sagging and maintain a smooth, tensioned appearance once installed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable UV-Blocking Material:\u003c\/strong\u003e Virgin polyethylene fabric provides lightweight strength while blocking up to 95% of UV rays and about 90% of visibility for cooler shaded areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-Season Use:\u003c\/strong\u003e The fabric works for summer sun protection, helps reduce overnight frost and sheds light rain for versatile outdoor coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Sizes Available:\u003c\/strong\u003e Each shade is made locally to order so the sail can be tailored to irregular patios, pools, or carports for a precise fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Year Limited Warranty:\u003c\/strong\u003e The warranty gives added confidence that the manufacturer expects the sail to hold up for seasons of use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Custom Size 21' x 21' Brown Square Sun Shade Sail is aimed at homeowners, gardeners and small businesses who need a large, custom-made shade for patios, pools, driveways or carports and who value a neat, tensioned look. It suits anyone wanting both sun protection and increased privacy since the fabric blocks a significant portion of UV and visibility.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include buyers who need complete waterproofing for heavy storms or who prefer rigid awnings and permanent structures; the sail is intended for light rain and seasonal outdoor protection rather than full weatherproof enclosure.\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\u003eExcellent sun blocking and cooling thanks to fabric that blocks up to 95% of UV rays.\u003c\/li\u003e\n\u003cli\u003eCurved edges and corner-to-corner measurement deliver a tight, low-sag installation when tensioned properly.\u003c\/li\u003e\n\u003cli\u003eCustom local manufacture means the sail can be sized to match specific spaces and arrived on time.\u003c\/li\u003e\n\u003cli\u003eDurable virgin polyethylene construction and a 3-year limited warranty add long-term value.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot fully waterproof; it handles light rain but is not a substitute for rigid, stormproof covers.\u003c\/li\u003e\n\u003cli\u003eInstallation can be mixed in difficulty for first-timers; some customers report variable setup experiences.\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\u003eSquare sun shade sail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003eCustom; example 21' x 21' (measured corner to corner)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eVirgin polyethylene fabric\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\u003eApproximately 90%\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\u003ctr\u003e\n\u003ctd\u003eUse cases\u003c\/td\u003e\n\u003ctd\u003ePatios, pools, driveways, carports, gardens, balconies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Custom Size 21' x 21' Brown Square Sun Shade Sail is a solid choice for anyone seeking a large, custom-fit shade that reduces heat and increases privacy without a permanent structure. With purpose-built curved edges, robust virgin polyethylene fabric and a 3-year warranty, it offers strong value for seasonal outdoor coverage, provided you are comfortable with basic tensioned installation and not expecting full waterproofing.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow are measurements taken?\u003c\/strong\u003e\u003cbr\u003eMeasurements are taken corner to corner so the finished sail fits as a true square and the curved edges prevent sagging when tensioned.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the sail waterproof?\u003c\/strong\u003e\u003cbr\u003eThe fabric sheds light rain and reduces frost effects but it is not fully waterproof and is intended for seasonal outdoor protection rather than heavy storms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow durable is the material?\u003c\/strong\u003e\u003cbr\u003eMade from virgin polyethylene, the material is lightweight yet strong, designed to block most UV rays and backed by a 3-year limited warranty for expected longevity.\u003c\/p\u003e","brand":"SHADESPEARE","offers":[{"title":"Default Title","offer_id":48615809712347,"sku":"B09J3GDWXF","price":217.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91esbWt82VL._AC_SL1500_4500311a-1dea-4c20-987a-970abd5a40a0.jpg?v=1778372469","url":"https:\/\/gearmusthave.com\/products\/custom-size-21ft-x-21ft-brown-square-sun-shade-sail-tight-fit-uv","provider":"GearMustHave","version":"1.0","type":"link"}