{"product_id":"custom-size-9ft-x-21ft-black-rectangle-sun-shade-sail-upf50","title":"Custom Size 9ft x 21ft Black Rectangle Sun Shade Sail - UPF50","description":"\u003cp\u003eIn this review we look at the Custom Size 9' x 21' Black Rectangle Sun Shade Sail and who benefits most from it: homeowners or businesses wanting a tailored, heavy-duty canopy that blocks intense sun and lowers temperature under cover. The bottom line is simple - this shade sail delivers reliable \u003cstrong\u003e95% sun protection\u003c\/strong\u003e and a noticeably cooler area while using commercial-grade materials, making it a smart choice when a custom-fit, durable outdoor shade is the priority.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e95% UV Blockage:\u003c\/strong\u003e The 200 GSM HDPE fabric blocks up to 95% of UV rays, reducing sun exposure for people and furnishings beneath the sail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Reduction:\u003c\/strong\u003e The canopy can lower ambient temperature by up to 15 degrees compared with unshaded areas, improving comfort on hot days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Stainless steel D-Rings, reinforced edges and double-layer stitching reduce fraying and extend the life of the sail in regular outdoor use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Fit:\u003c\/strong\u003e The product is made to measure using D-ring to D-ring measurements to create a tailored canopy for nonstandard spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater \u0026amp; Air Permeable:\u003c\/strong\u003e The HDPE weave allows airflow and some water permeability, reducing wind loading and pooling during light rain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Straightforward mounting to trees, roofs, walls or poles with standard hardware kits allows flexible positioning for many outdoor layouts.\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, cafes, poolside areas and small commercial spaces that need a customized rectangle canopy to block strong sun while keeping airflow. Buyers who need a specific 9' x 21' dimension or other custom sizes will value the made-to-order approach and reinforced hardware for frequent outdoor use.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for buyers who want a fully waterproof awning or a lightweight temporary sunshade for occasional use; users needing solid rain protection or an inexpensive disposable cover should consider other products.\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\u003eHeavy-duty 200 GSM HDPE fabric provides long-term UV protection and durability.\u003c\/li\u003e\n\u003cli\u003eCustom sizing ensures a precise fit for irregular or specific installation points.\u003c\/li\u003e\n\u003cli\u003eStainless steel D-Rings and double stitching add strength at stress points for commercial-level use.\u003c\/li\u003e\n\u003cli\u003ePermeable design reduces heat and wind load while maintaining airflow beneath the sail.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot described as fully waterproof, so it will not replace a solid roof for heavy rain protection.\u003c\/li\u003e\n\u003cli\u003eInstallation requires planning for appropriate spacing at corners and suitable mounting points, which may need extra hardware or professional help.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e200 GSM HDPE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUV Protection\u003c\/td\u003e\n\u003ctd\u003eUp to 95% blockage (UPF50+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003eCustom 9' x 21' rectangle (made to measure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware\u003c\/td\u003e\n\u003ctd\u003eStainless steel D-Rings with reinforced edges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePerformance\u003c\/td\u003e\n\u003ctd\u003eReduces temperature by up to 15 degrees vs unshaded areas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStitching\u003c\/td\u003e\n\u003ctd\u003eDouble-layer stitching to prevent fraying\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssurance\u003c\/td\u003e\n\u003ctd\u003e3-year assurance included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Custom Size 9' x 21' Black Rectangle Shade Sail is a solid value for anyone needing a durable, made-to-measure canopy that emphasizes sun protection and cooling. Its commercial-grade fabric, reinforced hardware and customization options make it a practical long-term solution for patios, pools and small businesses that prioritize UV blocking and airflow rather than full waterproofing.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this sail fully waterproof?\u003c\/strong\u003e\u003cbr\u003eAnswer. The HDPE fabric is water and air permeable, so it sheds light rain but is not a substitute for a waterproof roof in heavy downpours.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow should I measure for a custom fit?\u003c\/strong\u003e\u003cbr\u003eAnswer. Provide D-ring to D-ring measurements for the exact corners; allow at least 0.5 ft gap between D-Rings and poles or reduce by 1 to 1.5 ft per side as needed for tensioning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat hardware is included?\u003c\/strong\u003e\u003cbr\u003eAnswer. The sail includes stainless steel D-Rings and reinforced edges; standard mounting hardware kits are recommended for installation but may be purchased separately.\u003c\/p\u003e","brand":"Amgo","offers":[{"title":"Default Title","offer_id":48177346576603,"sku":"B0C1M7G7L2","price":145.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91gmjs9UHAL._AC_SL1500_16cfafac-6071-4656-945c-e51ecf06039d.jpg?v=1769649681","url":"https:\/\/gearmusthave.com\/products\/custom-size-9ft-x-21ft-black-rectangle-sun-shade-sail-upf50","provider":"GearMustHave","version":"1.0","type":"link"}