{"product_id":"17-ft-x-21-ft-sand-beige-rectangle-sun-shade-sail-cooling-upf50","title":"17 ft x 21 ft Sand Beige Rectangle Sun Shade Sail - Cooling UPF50","description":"\u003cp\u003eIn this review of the ShadeMart 17' x 21' Sand Beige Rectangle Sun Shade Sail, the bottom line is simple: it is aimed at homeowners and DIYers who need large, breathable sun protection for patios, carports or boats and want a durable fabric that cuts heat and UV without trapping moisture. The most compelling reason to buy is the woven HDPE fabric that blocks up to 95% of UV while remaining water permeable and breathable, which keeps covered areas noticeably cooler and avoids pooling during rain.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Woven HDPE fabric provides strong tensile strength and resists tearing while offering long-term sun protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV Protection:\u003c\/strong\u003e Blocks up to 95% of harmful UV rays and helps lower temperatures under the canopy by around 10 to 15 degrees.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathability:\u003c\/strong\u003e The water permeable design lets air and rain pass through so water does not pool on the surface and ventilation remains good.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Stainless steel corner D rings attached to heavy duty white webbing offer sturdy attachment points for common mounting kits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomization:\u003c\/strong\u003e Available in multiple sizes and colors with custom options so it can be tailored to nonstandard venues when measured accurately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatility:\u003c\/strong\u003e Can be mounted to poles, trees, walls or roofs to shade patios, carports, pergolas, pools and yards.\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, boat owners and property managers who want a large, breathable canopy to reduce sun exposure and heat across patios, carports or open seating areas. People who value durability and simple installation with standard hardware kits will appreciate the stainless steel D rings and heavy webbing.\u003c\/p\u003e\n\u003cp\u003eIt is less appropriate for buyers who need a fully waterproof shelter or who require a rigid structure; this style is explicitly water permeable, so it will not keep out driving rain as a sealed tarp would.\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\u003eExcellent sun protection that blocks most UV and noticeably lowers temperature under the sail.\u003c\/li\u003e\n\u003cli\u003eDurable HDPE fabric and stainless steel D rings give confidence in wind and weather resistance.\u003c\/li\u003e\n\u003cli\u003eBreathable, water permeable design prevents water pooling and promotes airflow beneath the canopy.\u003c\/li\u003e\n\u003cli\u003eCustom size options and multiple colors make it adaptable to a variety of outdoor spaces.\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 serve as a rainproof cover for fully dry shelter.\u003c\/li\u003e\n\u003cli\u003eShade sails require correct measurement and proper hardware to achieve the best tension and fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\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\u003eSize\u003c\/td\u003e\n\u003ctd\u003e17' x 21'\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\u003eCorner Fittings\u003c\/td\u003e\n\u003ctd\u003eStainless steel D rings on heavy white webbing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctionality\u003c\/td\u003e\n\u003ctd\u003eWater permeable, breathable, UV resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUV Block\u003c\/td\u003e\n\u003ctd\u003eUp to 95% UV rejection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCustomization\u003c\/td\u003e\n\u003ctd\u003eCustom sizes available; measure before purchasing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe ShadeMart 17' x 21' rectangle shade sail is a practical, value-oriented choice for anyone needing large-area sun protection that breathes and stands up to outdoor conditions. It is especially good where ventilation and UV blocking are priorities, and it offers durable fittings for repeated seasonal use; buyers who need complete waterproofing should consider a different product.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this shade sail waterproof?\u003c\/strong\u003e\u003cbr\u003eNo. This style is water permeable and designed to allow rain to pass through rather than form a waterproof barrier.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much UV protection does it provide?\u003c\/strong\u003e\u003cbr\u003eThe fabric blocks up to 95% of harmful UV rays and helps lower temperatures beneath the sail.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be attached to trees or poles?\u003c\/strong\u003e\u003cbr\u003eYes. With appropriate hardware kits the D rings and webbing allow attachment to poles, trees, walls or roofs.\u003c\/p\u003e","brand":"ShadeMart","offers":[{"title":"Default Title","offer_id":48670714593499,"sku":"B0B69S6LWT","price":173.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91ZcqeZlJML._AC_SL1500_5744c29c-034a-40e7-8d1e-c46a505b3ac1.jpg?v=1778679621","url":"https:\/\/gearmusthave.com\/products\/17-ft-x-21-ft-sand-beige-rectangle-sun-shade-sail-cooling-upf50","provider":"GearMustHave","version":"1.0","type":"link"}