{"product_id":"9-ft-x-21-ft-red-rectangle-sun-shade-sail-durable-uv-block","title":"9 ft x 21 ft Red Rectangle Sun Shade Sail - Durable UV Block","description":"\u003cp\u003eIn this review of the 9 ft x 21 ft Red Rectangle Sun Shade Sail from SHADESPEARE, the bottom line is simple: it is a practical, heavy-duty option for homeowners who need broad sun protection with a clean appearance. Built from virgin polyethylene and engineered so measurement is taken corner to corner with slightly curved edges, this shade sail aims to minimize sagging and maintain a taut, attractive canopy. The main reason to buy is reliable UV blockage and ventilation for patios, pools, driveways, and carports where a long, rectangular shade area is required.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision shape:\u003c\/strong\u003e Corner-to-corner measurement and slightly curved edges reduce midspan sag for a neater installation and cleaner look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial strength:\u003c\/strong\u003e Made from virgin polyethylene for strong tensile strength while remaining lightweight for easier handling and mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh UV protection:\u003c\/strong\u003e Provides up to 95% UV blockage so outdoor spaces feel cooler and occupants get substantial sun protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisibility control:\u003c\/strong\u003e Approximately 90% visibility blockage improves privacy and reduces direct glare without fully blocking airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-season utility:\u003c\/strong\u003e Designed for shading and cooling in summer while offering some anti-frost and slight rain resistance in colder or wet conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom and warranty support:\u003c\/strong\u003e Custom sizing options are available and the product includes a 3-Year Limited Warranty for added confidence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis shade sail is best for homeowners and renters who need a long rectangular canopy for a backyard, patio, carport, pool area, or driveway and value strong UV protection and a tidy, non-sagging installation. It suits people who prefer a lightweight fabric that still has good tensile strength and who may want a custom size rather than a one-size solution.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include buyers who need a fully waterproof roof replacement, a heavy insulated winter canopy, or a shade sail in non-rectangular shapes where a different geometry or denser fabric is required for constant heavy rain protection.\u003c\/p\u003e\n\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 blockage keeps outdoor areas cooler and offers strong sun protection.\u003c\/li\u003e\n\u003cli\u003eCurved-edge design prevents midspan sag for a cleaner, more durable installation.\u003c\/li\u003e\n\u003cli\u003eLightweight virgin polyethylene makes handling and mounting manageable.\u003c\/li\u003e\n\u003cli\u003eCustom order availability and a 3-Year Limited Warranty provide flexibility and 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\u003eOnly slightly rainproof, so it is not a substitute for fully waterproof awnings in heavy rain.\u003c\/li\u003e\n\u003cli\u003eVisibility blockage around 90% may be too opaque for users who want more light transmission.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\u003e9 ft x 21 ft (corner-to-corner measurement)\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\u003eApproximately 90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeather features\u003c\/td\u003e\n\u003ctd\u003eShading, cooling, ventilation, slight rain resistance, anti-frost\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\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 9 ft x 21 ft red rectangle shade sail is a smart choice for outdoor spaces that need reliable UV protection, good privacy, and a tidy, sag-resistant appearance. Its lightweight yet strong virgin polyethylene fabric, curved-edge design, and customization options deliver solid value for homeowners wanting a functional sun canopy rather than a full rainproof solution.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this shade sail waterproof?\u003c\/strong\u003e\u003cbr\u003eIt is slightly rainproof but not fully waterproof; it is intended primarily for shading, cooling, and light weather resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the size measured?\u003c\/strong\u003e\u003cbr\u003eMeasurements are taken from corner to corner and the edges are slightly curved to prevent sagging when installed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I order a custom size?\u003c\/strong\u003e\u003cbr\u003eYes, SHADESPEARE offers customization of products and the sail also includes a 3-Year Limited Warranty.\u003c\/p\u003e","brand":"SHADESPEARE","offers":[{"title":"Default Title","offer_id":48195325395163,"sku":"B09NCNK41C","price":114.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81qqgD7ANoL._AC_SL1500_20d43332-2004-4dc8-970d-7db9f22b85e1.jpg?v=1770263900","url":"https:\/\/gearmusthave.com\/products\/9-ft-x-21-ft-red-rectangle-sun-shade-sail-durable-uv-block","provider":"GearMustHave","version":"1.0","type":"link"}