{"product_id":"9-ft-x-21-ft-white-rectangle-sun-shade-sail-durable-uv-block-canopy","title":"9 ft x 21 ft White Rectangle Sun Shade Sail - Durable UV Block Canopy","description":"\u003cp\u003eIn this review of the 9' x 21' White Rectangle Sun Shade Sail, the bottom line is simple: it is a practical, heavy-duty shade solution for homeowners who need wide, reliable UV protection without complex installation. The reviewer found the canopy best for patios, poolsides and carports where strong tensile material and a slightly curved edge keep the fabric taut and visually neat. Its combination of up to 95% UV blockage and lightweight virgin polyethylene construction is the single biggest reason to buy for anyone who needs durable summer shading with a low profile aesthetic.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner-to-corner measurement:\u003c\/strong\u003e The sail is sized from corner to corner so you know the true span before installation, reducing surprises when fitting over a patio or pool area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurved edge design:\u003c\/strong\u003e Edges are made slightly curved using a calculated radian to prevent sagging and keep the canopy looking taut and professional over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVirgin polyethylene fabric:\u003c\/strong\u003e The material combines strong tensile strength with light weight, making the sail easier to handle while resisting stretching under tension.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh UV and visibility blockage:\u003c\/strong\u003e Provides up to 95% UV blockage and about 90% visibility blockage to reduce sun exposure and glare in outdoor living spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-season utility:\u003c\/strong\u003e The sail offers shading and ventilation in summer, helps reduce frost overnight, and sheds light rain during wet weather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable and warranted:\u003c\/strong\u003e Available for custom orders and backed by a 3-Year Limited Warranty for added purchase confidence.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis shade sail fits homeowners and renters with medium to large outdoor areas such as backyards, driveways, carports, pools and patios who want broad, effective sun protection with a simple, low-profile look. It is particularly useful for people who prefer a durable fabric that is lightweight to install and that resists sagging thanks to the curved-edge pattern.\u003c\/p\u003e\u003cp\u003ePeople who need full waterproofing, intricate mounting hardware included, or very small, highly decorative shade solutions should look elsewhere; the sail is slightly rainproof and designed for general outdoor coverage rather than as a watertight canopy.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGood build quality of the virgin polyethylene material gives the sail strength without heavy weight.\u003c\/li\u003e\n\u003cli\u003eDesign detail of curved edges prevents the common sagging issue and maintains a neat appearance.\u003c\/li\u003e\n\u003cli\u003eHigh UV blockage reduces sun exposure and helps keep shaded areas cooler.\u003c\/li\u003e\n\u003cli\u003eCustom orders and a 3-Year Limited Warranty add flexibility and peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot fully waterproof, so heavy rain will not be completely blocked.\u003c\/li\u003e\n\u003cli\u003eInstallation hardware and mounting points are not detailed with the product, so extra fittings may be required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\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\u003e9' 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUV blockage\u003c\/td\u003e\n\u003ctd\u003eUp to 95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVisibility blockage\u003c\/td\u003e\n\u003ctd\u003eAbout 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\u003eCustomization\u003c\/td\u003e\n\u003ctd\u003eAvailable on request\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe 9' x 21' White Rectangle Sun Shade Sail is a sensible buy for anyone needing wide-area shade that performs well against sun and heat while staying visually tidy. Its durable virgin polyethylene fabric, curved-edge design to prevent sagging, and strong UV protection make it good value for patios, pools and carports, though buyers should plan for separate mounting hardware and not expect full waterproof shelter.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this sail completely waterproof?\u003c\/strong\u003e\u003cbr\u003eAnswer: No, the sail is slightly rainproof but not fully waterproof; it sheds light rain but is not a substitute for a watertight canopy.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow is the sail measured?\u003c\/strong\u003e\u003cbr\u003eAnswer: Measurement is taken from corner to corner, which gives the actual span of the sail for installation planning.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan this sail be customized?\u003c\/strong\u003e\u003cbr\u003eAnswer: Yes, all products from this line are available to be customized and come with a 3-Year Limited Warranty.\u003c\/p\u003e","brand":"SHADESPEARE","offers":[{"title":"Default Title","offer_id":48184994660571,"sku":"B09NCNHZHB","price":114.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81g-VD1P9OL._AC_SL1500_0b2730a0-f638-4bf8-bdb3-7bd7f364ef5c.jpg?v=1769610428","url":"https:\/\/gearmusthave.com\/products\/9-ft-x-21-ft-white-rectangle-sun-shade-sail-durable-uv-block-canopy","provider":"GearMustHave","version":"1.0","type":"link"}