{"product_id":"21-ft-x-21-ft-x-29-7-ft-black-right-triangle-sun-shade-sail-durable","title":"21 ft x 21 ft x 29.7 ft Black Right Triangle Sun Shade Sail - Durable","description":"\u003cp\u003eOur review of this 21 ft x 21 ft x 29.7 ft black right triangle sun shade sail finds it a strong choice for homeowners who need reliable sun protection over a pool, patio, or driveway. Measuring corner to corner and built with slightly curved edges to prevent mid-span sagging, the sail delivers clean tensioned coverage and noticeably cooler shaded areas. Customers praise its durability, color retention and ease of installation, making this shade sail a practical, long-lasting option for outdoor spaces where \u003cstrong\u003eUV blockage\u003c\/strong\u003e and airflow matter.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner-to-corner measurement:\u003c\/strong\u003e Precision sizing helps ensure the installed sail fits the intended span when measured from corner point to corner point.\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 a taut, attractive appearance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVirgin polyethylene fabric:\u003c\/strong\u003e Lightweight material with strong tensile strength provides durable weather resistance without adding unnecessary weight during installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh UV and visibility blockage:\u003c\/strong\u003e Fabric blocks up to 95% of UV rays and about 90% of visibility to reduce sun exposure and glare beneath the canopy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAllseason utility:\u003c\/strong\u003e Provides shading and cooling in summer, ventilation, some rain resistance, and can reduce frost effects at night.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom orders and warranty:\u003c\/strong\u003e Available for customization and covered by a 3-Year Limited Warranty for added confidence in purchase.\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 with medium to large outdoor areas such as backyards, pool decks, patios, carports or driveways who need an economical way to block sun and reduce heat. It suits DIY installers and those who want a tidy, tensioned canopy that holds shape well among trees or existing anchors.\u003c\/p\u003e\n\u003cp\u003eIt may be less suitable for someone who expects full waterproof performance in heavy storms or needs a perfectly rigid, frame-mounted structure; for those uses a hard canopy or specialized awning would be more appropriate.\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 sun protection with up to 95% \u003cstrong\u003eUV blockage\u003c\/strong\u003e, keeping shaded areas noticeably cooler.\u003c\/li\u003e\n\u003cli\u003eDurable virgin polyethylene construction that customers cite for good longevity and color stability.\u003c\/li\u003e\n\u003cli\u003eCurved edge pattern prevents midspan sagging, producing a neater, tensioned look after installation.\u003c\/li\u003e\n\u003cli\u003eAvailable customization and a 3-Year Limited Warranty add flexibility and reassurance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHardware included receives mixed feedback, so buyers may need to source stronger anchoring kit for some installations.\u003c\/li\u003e\n\u003cli\u003eOnly slightly rainproof; not intended as a full waterproof shelter in heavy rain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eShape\u003c\/td\u003e\n\u003ctd\u003eRight triangle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasured\u003c\/td\u003e\n\u003ctd\u003eCorner to corner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e21 ft x 21 ft x 29.7 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\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\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 21 ft x 21 ft x 29.7 ft black right triangle shade sail is a practical, cost-effective choice for homeowners who want strong \u003cstrong\u003eUV protection\u003c\/strong\u003e, good airflow and a taut installation without a permanent frame. It offers solid durability and customization options, and is particularly good over pools, patios and driveways where cooling and sun control are priorities.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow is this sail measured?\u003c\/strong\u003e\u003cbr\u003eMeasurement is taken from corner to corner, and the edges are cut slightly curved to maintain tension and prevent sagging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it waterproof?\u003c\/strong\u003e\u003cbr\u003eThe fabric is slightly rainproof but not fully waterproof; it is best for shade, cooling and light rain protection rather than heavy storm shelter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include mounting hardware?\u003c\/strong\u003e\u003cbr\u003eSome hardware is included, though customer reports are mixed and stronger anchors may be needed depending on the installation site.\u003c\/p\u003e","brand":"SHADESPEARE","offers":[{"title":"Default Title","offer_id":48185082380507,"sku":"B0BBVPSTNQ","price":134.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81oxlWuCisL._AC_SL1500_b70f8251-85e1-418b-87a9-0410276a7785.jpg?v=1769442224","url":"https:\/\/gearmusthave.com\/products\/21-ft-x-21-ft-x-29-7-ft-black-right-triangle-sun-shade-sail-durable","provider":"GearMustHave","version":"1.0","type":"link"}