{"product_id":"custom-size-20-ft-x-21-ft-red-rectangle-sun-shade-sail-upf50","title":"Custom Size 20 ft x 21 ft Red Rectangle Sun Shade Sail - UPF50","description":"\u003cp\u003eOur review of this custom size 20 ft x 21 ft red rectangle sun shade sail finds it best for homeowners and small businesses who need heavy duty, tailored sun protection. The biggest reason to choose it is the combination of durable 200 GSM HDPE fabric and reinforced fittings that deliver reliable \u003cstrong\u003e95% UV blockage\u003c\/strong\u003e and a noticeably cooler shaded area. The sail ships as an order-to-make canopy, so buyers who need a specific D-ring-to-D-ring measurement will appreciate the custom fit option and commercial-grade construction.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e95% UV blockage:\u003c\/strong\u003e The 200 GSM HDPE material blocks up to 95% of harmful UV rays so outdoor spaces stay safer for guests and family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature reduction:\u003c\/strong\u003e The shade sail can lower surface temperatures by as much as 15 degrees compared to unshaded areas, which helps comfort on hot days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy duty construction:\u003c\/strong\u003e Stainless steel D-rings, reinforced edges, and double-layer stitching improve longevity and resist fraying in regular use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom sizing:\u003c\/strong\u003e Made to order from D-ring to D-ring for a tailored fit, with straight-edge customization available on request.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathable and water permeable:\u003c\/strong\u003e The HDPE weave is water and air permeable so the canopy drains and breathes instead of trapping moisture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation flexibility:\u003c\/strong\u003e Can be attached to trees, roofs, walls, or poles using a mounting kit and recommended clearances for best tension.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe shade sail is ideal for patio and garden owners, cafes with outdoor seating, and anyone needing a large, custom canopy that balances sun protection with airflow. It suits users who value a tailored fit and commercial-grade fittings that stand up to regular outdoor exposure.\u003c\/p\u003e\u003cp\u003eIt is less suitable for buyers who want a temporary pop-up shelter or a fully waterproof awning; this product is designed for semi-permanent shade where breathability and UV protection are priorities rather than total rain protection.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExcellent sun protection with up to \u003cstrong\u003e95% UV blockage\u003c\/strong\u003e from the 200 GSM HDPE fabric.\u003c\/li\u003e\n\u003cli\u003eSturdy build including stainless steel D-rings and reinforced edges for long-term durability.\u003c\/li\u003e\n\u003cli\u003eCustom sizing and optional straight-edge customization deliver a precise fit for awkward spaces.\u003c\/li\u003e\n\u003cli\u003eUsers report good value and that the sail has held up in high winds, reflecting real-world durability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe sail is water and air permeable rather than fully waterproof, so it will not keep out heavy rain completely.\u003c\/li\u003e\n\u003cli\u003eCustom ordering requires careful measurement from D-ring to D-ring, which may be tricky for first-time installers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\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 (example)\u003c\/td\u003e\n\u003ctd\u003e20 ft x 21 ft custom rectangle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFittings\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\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\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThis custom 20 ft x 21 ft red rectangle shade sail is a sensible buy for anyone who needs a durable, tailored sun canopy that emphasizes UV protection and airflow. With heavy duty fittings, clear installation guidelines, and real-world durability reported by customers, it offers strong value for patios, outdoor dining, and shaded play areas where breathable protection and a precise fit matter most.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this shade sail waterproof?\u003c\/strong\u003e\u003cbr\u003eAnswer. The HDPE material is water and air permeable, so it sheds some moisture but is not a fully waterproof tarp for heavy rain.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow should I measure for a custom order?\u003c\/strong\u003e\u003cbr\u003eAnswer. Measure from D-ring to D-ring for each side; leave at least 0.5 ft gap between D-rings and poles or reduce side lengths by 1 to 1.5 ft where needed for tension.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow durable is the hardware?\u003c\/strong\u003e\u003cbr\u003eAnswer. The sail uses stainless steel D-rings, reinforced edges, and double-layer stitching, and comes with a 3 year assurance to back construction quality.\u003c\/p\u003e","brand":"Amgo","offers":[{"title":"Default Title","offer_id":48631138549979,"sku":"B0C1MJSNRP","price":230.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91PLRR3ctuL._AC_SL1500_f6930251-57dc-4070-b6de-aae4b8fb332d.jpg?v=1778433512","url":"https:\/\/gearmusthave.com\/products\/custom-size-20-ft-x-21-ft-red-rectangle-sun-shade-sail-upf50","provider":"GearMustHave","version":"1.0","type":"link"}