{"product_id":"21-ft-x-24-ft-white-sun-shade-sail-upf50-rectangle-breathable-patio","title":"21 ft x 24 ft White Sun Shade Sail UPF50 Rectangle - Breathable Patio","description":"\u003cp\u003eIn this review of the ShadeMart 21' x 24' white rectangle sun shade sail, the bottom line is simple: it is a practical, heavy-duty canopy for anyone who needs wide, breathable UV protection without trapping heat. The reviewer found it ideal for patios, carports and boat covers because the woven HDPE fabric blocks up to 95% of harmful UV rays while remaining water permeable, so rain passes through and airflow is preserved. Installation is straightforward with stainless steel corner D rings and heavy webbing, and the material feels durable enough for seasonal outdoor use.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Woven HDPE fabric provides durable, lightweight shade and resists fraying under normal outdoor conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV Protection:\u003c\/strong\u003e Blocks up to 95% of harmful UV rays, noticeably lowering temperatures under the canopy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathable Design:\u003c\/strong\u003e Water permeable construction allows water and air to pass through, preventing puddling and improving ventilation.\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 it easy to secure the sail to posts, trees, or walls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Sizing:\u003c\/strong\u003e Available in a wide range of custom sizes so you can match irregular spaces when measured accurately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyling:\u003c\/strong\u003e Rectangle shape and neutral white color integrate well with most outdoor decor while providing large coverage.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe ShadeMart 21' x 24' rectangle sail is best for homeowners and renters who need broad, cost-effective sun protection over patios, carports, pools, or boats and who prefer a breathable, non-waterproof canopy that reduces heat. It suits DIY installers who can anchor the D rings to posts, trees, walls or roof points using a proper hardware kit.\u003c\/p\u003e\u003cp\u003eThose who need a completely waterproof roof or full rain protection should look elsewhere, since this style is specifically water permeable. Also, buyers seeking a permanent, insulated structure or an exact factory-cut engineered fit for complex rooflines may prefer a different product or a custom fabrication service.\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 UV blocking capability that significantly lowers temperatures beneath the sail.\u003c\/li\u003e\n\u003cli\u003eDurable woven HDPE fabric and stainless steel D rings provide strong anchoring and long wear.\u003c\/li\u003e\n\u003cli\u003eWater permeable design prevents pooling and maintains airflow during wet weather.\u003c\/li\u003e\n\u003cli\u003eEasy to install for typical outdoor anchor points with standard hardware kits.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eNot waterproof, so it will not fully shelter from heavy rain or serve as a dry roof.\u003c\/li\u003e\n\u003cli\u003eManual sizing may vary slightly by measurement, so careful measuring is required before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\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\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\u003e21' x 24'\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 Block\u003c\/td\u003e\n\u003ctd\u003eUp to 95% UV protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorner Hardware\u003c\/td\u003e\n\u003ctd\u003eStainless steel D rings on 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\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe ShadeMart 21' x 24' white rectangle shade sail is a solid value for outdoor shading where breathability and UV protection matter most. It performs well for patios, carports and poolside coverage, with durable materials and hardware that make installation practical for DIY users. Buy it if you want broad sun protection and airflow; avoid it if you need a waterproof canopy or an engineered permanent roof.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this shade sail waterproof?\u003c\/strong\u003e\u003cbr\u003eNo, this style is water permeable and designed to allow water and air to pass through rather than act as a waterproof cover.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan the sail be customized to other sizes?\u003c\/strong\u003e\u003cbr\u003eYes, ShadeMart offers custom sizes; measure your venue accurately before ordering to ensure proper coverage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat hardware is used at the corners?\u003c\/strong\u003e\u003cbr\u003eEach corner uses a stainless steel D ring attached to heavy duty white webbing for secure anchoring.\u003c\/p\u003e","brand":"ShadeMart","offers":[{"title":"Default Title","offer_id":48632702206171,"sku":"B0B69SV3Q1","price":227.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91DmqjpB52L._AC_SL1500_a4809faa-aae5-4b0c-b6eb-236b0c97faf6.jpg?v=1778467316","url":"https:\/\/gearmusthave.com\/products\/21-ft-x-24-ft-white-sun-shade-sail-upf50-rectangle-breathable-patio","provider":"GearMustHave","version":"1.0","type":"link"}