{"product_id":"custom-size-12ft-x-21ft-red-rectangle-sun-shade-sail-tight-fit-uv","title":"Custom Size 12ft x 21ft Red Rectangle Sun Shade Sail - Tight Fit, UV","description":"\u003cp\u003eIn this review the Custom Size 12' x 21' Red Rectangle Sun Shade Sail is assessed for homeowners and outdoor caretakers who need a tailored cover for patios, pools, or carports; the single biggest reason to buy is its precise fit and fabric performance, which delivers strong shade and reduced heat without a bulky frame. Fit is emphasized throughout: measurements are taken corner to corner and curved edges are cut to prevent sagging, so this shade sail performs like a thoughtful, durable canopy rather than a generic tarp.\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 create a tight, clean installation with minimal sagging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable UV-Blocking Material:\u003c\/strong\u003e Constructed from virgin polyethylene, the fabric blocks up to 95% of UV rays and reduces visibility up to 90% for cooler, more private outdoor space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-Season Use:\u003c\/strong\u003e The sail provides sun protection in summer, helps reduce overnight frost, and sheds light rain, making it useful year-round in many climates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Sizes Available:\u003c\/strong\u003e Each shade is made locally to order so it can be sized to fit porches, carports, pools, gardens, and balconies without major alteration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-Year Limited Warranty:\u003c\/strong\u003e The product is backed by a warranty that gives buyers added confidence in long-term durability and craftsmanship.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis shade sail is best for homeowners, renters with secure mounting points, and small-business owners who need a low-profile, fabric canopy that blends with outdoor settings and cuts sun and heat effectively. It is particularly useful where a custom fit matters because the measurements and curved edges reduce droop and maintain a tidy appearance.\u003c\/p\u003e\n\u003cp\u003eThose looking for full waterproof roofing, rigid structures, or an instant pop-up shade should look elsewhere, since this is a fabric sail intended for partial weather protection and sun blocking rather than heavy downpour or permanent roofing.\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\u003eHigh UV protection keeps shaded spaces noticeably cooler and reduces sun exposure.\u003c\/li\u003e\n\u003cli\u003eCustom sizing and curved edges deliver a neat, tight installation that avoids sagging.\u003c\/li\u003e\n\u003cli\u003eLightweight virgin polyethylene fabric balances strength with manageable handling during install.\u003c\/li\u003e\n\u003cli\u003eMade locally and backed by a 3-year limited warranty for added peace of mind.\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 difficulty depending on anchor points and site, so some buyers may need extra hardware or help to achieve the best tension.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e12' x 21' (custom sizes available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShape\u003c\/td\u003e\n\u003ctd\u003eRectangle with curved edges\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\u003eReduces visibility by up to 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\u003eIntended Use\u003c\/td\u003e\n\u003ctd\u003ePatios, driveways, carports, pools, 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 12' x 21' Red Rectangle Sun Shade Sail is a smart, value-oriented choice for anyone who prioritizes a tidy, custom fit and strong UV reduction; it performs well across seasons and is backed by a solid warranty. Buyers who need partial rain coverage and cooling without a permanent structure will find this sail a practical investment that balances durability, appearance, and cost.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this sail block most sunlight?\u003c\/strong\u003e\u003cbr\u003eThe fabric blocks up to 95% of UV rays, so it significantly reduces sunlight and heat in shaded areas.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it handle light rain and frost?\u003c\/strong\u003e\u003cbr\u003eYes; the material sheds light rain and helps reduce frost at night but is not a substitute for a waterproof roof in heavy storms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre custom sizes really available?\u003c\/strong\u003e\u003cbr\u003eYes; each shade is custom-made locally from measured corner-to-corner dimensions to ensure a tight, low-sag fit.\u003c\/p\u003e","brand":"SHADESPEARE","offers":[{"title":"Default Title","offer_id":48616733835483,"sku":"B09J3HJKT5","price":129.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/815m2AI0vkL._AC_SL1500_3f98d4d5-40a3-42ad-8b86-863de16527cd.jpg?v=1778435322","url":"https:\/\/gearmusthave.com\/products\/custom-size-12ft-x-21ft-red-rectangle-sun-shade-sail-tight-fit-uv","provider":"GearMustHave","version":"1.0","type":"link"}