{"product_id":"shademart-13ft-x-21ft-blue-rectangle-sun-shade-sail-upf50-protection","title":"ShadeMart 13ft x 21ft Blue Rectangle Sun Shade Sail - UPF50 Protection","description":"\u003cp\u003eIn this review the ShadeMart 13' x 21' blue rectangle shade sail is evaluated for homeowners and small-business owners who need practical sun protection without a permanent structure. The bottom line: it is a durable, breathable HDPE fabric canopy that blocks up to 95% of UV while letting water and air pass through, making it ideal for patios, carports and poolside areas. The sail's stainless steel corner D rings and heavy duty webbing give it a robust feel, and many users report a noticeable temperature drop under the fabric.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Woven HDPE fabric provides a strong, tear-resistant surface that stands up to regular outdoor use without trapping heat.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUV Protection:\u003c\/strong\u003e Blocks up to 95% of harmful UV rays, delivering significant sun protection and lowering temperatures beneath the sail.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBreathable Design:\u003c\/strong\u003e Water permeable and breathable construction allows rain and air to pass through, reducing wind stress and pooling.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHardware Ready:\u003c\/strong\u003e Stainless steel corner D rings attached to heavy duty white webbing make the sail ready to secure to poles, trees, walls or roofs.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCustom Size Options:\u003c\/strong\u003e Available in custom sizes so you can order a sail that fits nonstandard venues when measured accurately.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eStyling:\u003c\/strong\u003e Rectangle shape with multiple colors to choose from so the canopy can integrate with existing outdoor decor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis shade sail suits homeowners looking for a semi-permanent shading solution for patios, pergolas, carports or pool areas where airflow and drainage are important. It also fits small businesses that need a durable, attractive canopy for outdoor seating or covered customer areas.\u003c\/p\u003e\n\u003cp\u003eIt is not for customers who need a fully waterproof cover or a precisely engineered architectural tension structure; those users should look at waterproof awnings or custom fabricated shade systems. Also measure carefully if you require an exact rectangle, since customers report some variance with manual measurements.\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-quality woven HDPE fabric feels durable and resists tearing in regular outdoor conditions.\u003c\/li\u003e\n \u003cli\u003eEffective sun protection with UPF50-level blocking that noticeably reduces heat beneath the sail.\u003c\/li\u003e\n \u003cli\u003eBreathable and water permeable design prevents water pooling and reduces wind load on attachment points.\u003c\/li\u003e\n \u003cli\u003eStainless steel D rings and heavy duty webbing simplify installation to many anchor types.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eNot waterproof, so it will not keep the area completely dry in heavy rain.\u003c\/li\u003e\n \u003cli\u003eSome customers report size and shape variance from manual measurement, so precise fit may require careful ordering or custom sizing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eShadeMart\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e13' x 21'\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eShape\u003c\/td\u003e\n\u003ctd\u003eRectangle\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eWoven HDPE (High Density Polyethylene)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eUV Protection\u003c\/td\u003e\n\u003ctd\u003eBlocks up to 95% of UV rays (UPF50)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eHardware\u003c\/td\u003e\n\u003ctd\u003eStainless steel corner D rings, heavy duty white webbing\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eWater Resistance\u003c\/td\u003e\n\u003ctd\u003eWater permeable, not waterproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe ShadeMart 13' x 21' rectangle shade sail is a sensible choice for anyone who wants effective UV protection and improved outdoor comfort without a fixed structure; its durable HDPE fabric and stainless hardware offer good value for patios, carports and poolside use. If you need a fully waterproof solution or require absolutely exact dimensions, consider a different product, but for breathable, long-lasting shade this sail performs well.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this sail waterproof?\u003c\/strong\u003e\u003cbr\u003eAnswer. No, the fabric is water permeable and breathable so it will not keep the area fully dry in heavy rain.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be attached to trees or poles?\u003c\/strong\u003e\u003cbr\u003eAnswer. Yes, the stainless steel D rings and heavy duty webbing allow attachment to poles, trees, walls or roofs when used with appropriate hardware kits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it reduce temperature under the sail?\u003c\/strong\u003e\u003cbr\u003eAnswer. Yes, the HDPE fabric blocks up to 95% of UV and customers report a noticeable drop in temperature beneath the sail.\u003c\/p\u003e","brand":"ShadeMart","offers":[{"title":"Default Title","offer_id":48239544762587,"sku":"B0B69WW88L","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91CyVuDkKhL._AC_SL1500_096665e0-d494-4a8a-9b39-1ad0e803af2c.jpg?v=1770963207","url":"https:\/\/gearmusthave.com\/products\/shademart-13ft-x-21ft-blue-rectangle-sun-shade-sail-upf50-protection","provider":"GearMustHave","version":"1.0","type":"link"}