{"product_id":"custom-size-21-ft-triangle-sun-shade-sail-high-uv-blockage","title":"Custom Size 21 ft Triangle Sun Shade Sail - High UV Blockage","description":"\u003cp\u003eIn this review of the 21 ft triangle sun shade sail, the bottom line is simple: it is for homeowners and outdoor dwellers who want a durable, customizable canopy that cuts direct sun and lowers temperature for patios, play areas, or poolside seating. The reviewer found the biggest reason to buy is the fabric performance - a heavy 200 GSM HDPE weave that offers up to \u003cstrong\u003e95% UV protection\u003c\/strong\u003e and noticeably cooler shade, making it a practical long-term outdoor solution rather than a disposable cover.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e95% Sun Protection:\u003c\/strong\u003e The dense 200 GSM HDPE material blocks up to 95% of harmful UV rays, protecting skin and furniture from sun damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Reduction:\u003c\/strong\u003e By installing the sail over a seating or play area, temperatures can fall by as much as 15 degrees compared to unshaded spots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Fit:\u003c\/strong\u003e The sail is made to measure from D-ring to D-ring so it fits irregular spaces when you provide precise dimensions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Reinforced hems, double-layer stitching and stainless steel D-rings help the sail hold up under wind and long-term sun exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathable and Water Permeable:\u003c\/strong\u003e The HDPE weave lets air and some moisture through to reduce wind loading and pooling while still providing reliable shade.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation Guidance:\u003c\/strong\u003e The product includes clear guidance on corner gaps and mounting to trees, roofs or poles so installation is flexible for many backyard setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis shade sail is best for homeowners, renters with outdoor space, small businesses with patio seating, and families wanting a tailored canopy that performs in strong sun. It fits people willing to measure their area carefully and who prefer a long-lasting fabric option rather than a temporary tarp.\u003c\/p\u003e\n\u003cp\u003eThose who need a fully waterproof awning, quick pop-up shade, or who cannot secure stable anchor points should look elsewhere; the sail is water permeable and requires proper mounting hardware and some DIY or professional help for best results.\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\u003eHigh sun-blocking capability from the 200 GSM HDPE fabric delivers reliable long-term protection.\u003c\/li\u003e\n\u003cli\u003eCustom sizing and reinforced fittings provide a tailored, durable canopy that looks good and holds up.\u003c\/li\u003e\n\u003cli\u003eBreathable weave reduces heat beneath the sail and prevents water pooling during light rain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome buyers report the finished size feels smaller than expected, so precise measurement and expectation management are important.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eTriangle sun shade sail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e21 ft x 21 ft x 21 ft (custom made)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e200 GSM HDPE fabric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUV Protection\u003c\/td\u003e\n\u003ctd\u003eUp to 95% blockage\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\u003ePermeability\u003c\/td\u003e\n\u003ctd\u003eWater and air permeable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3 years assurance included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe custom 21 ft triangle shade sail is a solid value for anyone who needs a permanent-looking, high-protection canopy. With \u003cstrong\u003erobust 200 GSM fabric\u003c\/strong\u003e, reinforced fittings and measurable cooling under the sail, it performs well for patios and play areas; just measure carefully and expect a breathable, not fully waterproof, cover.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this shade sail waterproof?\u003c\/strong\u003e\u003cbr\u003eThe sail is water and air permeable, so it sheds light rain but is not fully waterproof like a solid PVC awning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow should I measure for a custom fit?\u003c\/strong\u003e\u003cbr\u003eMeasure from D-ring to D-ring for each corner and allow the recommended corner gap of about 0.5 ft or adjust per the installation guidance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be left up year-round?\u003c\/strong\u003e\u003cbr\u003eYes, the reinforced edges and stainless steel D-rings are built for long-term outdoor use, but seasonal removal in extreme weather will extend service life.\u003c\/p\u003e","brand":"Amgo","offers":[{"title":"Default Title","offer_id":48633451446491,"sku":"B0C1M8N3TG","price":134.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91SxHTPAenL._AC_SL1500_dfb081c2-18fe-4d2e-b55b-8ca91dddf95b.jpg?v=1778482496","url":"https:\/\/gearmusthave.com\/products\/custom-size-21-ft-triangle-sun-shade-sail-high-uv-blockage","provider":"GearMustHave","version":"1.0","type":"link"}