{"product_id":"shademart-21-ft-x-22-ft-white-rectangle-sun-shade-sail-durable-upf50","title":"ShadeMart 21 ft x 22 ft White Rectangle Sun Shade Sail - Durable UPF50","description":"\u003cp\u003eIn this review the ShadeMart 21 ft x 22 ft white rectangle sun shade sail is assessed for homeowners and small-business outdoor spaces that need broad, breathable sun protection. The bottom line: this shade sail is best for people who want a heavy-duty, UV-blocking canopy that lowers temperature and stands up to weather while still allowing airflow, because its woven HDPE fabric and stainless steel D rings deliver durable, permeable coverage without trapping heat.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWoven HDPE fabric:\u003c\/strong\u003e The high density polyethylene weave blocks up to 95% of harmful UV rays while remaining water permeable so moisture does not pool on the surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel D rings:\u003c\/strong\u003e Reinforced corner D rings attached to heavy duty white webbing provide secure anchor points for long-term tension and easier installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathable design:\u003c\/strong\u003e The cloth is air and water permeable, which helps reduce temperature beneath the sail by an estimated 10 to 15 degrees and avoids wind pressure buildup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom sizing available:\u003c\/strong\u003e ShadeMart offers a range of custom sizes so the area can be tailored to fit patios, carports, and pergolas when exact dimensions are needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDecorative rectangle shape:\u003c\/strong\u003e The clean rectangle profile integrates with many outdoor styles and can be combined with other sails for layered coverage and visual interest.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe ShadeMart rectangle shade sail is ideal for homeowners, renters with permission to mount hardware, and small businesses that want a durable, UV-resistant canopy for patios, carports, pool areas, and yards. It suits anyone who prioritizes breathability and UV protection over full waterproofing.\u003c\/p\u003e\u003cp\u003eUsers who need a fully waterproof canopy, an exact prefabricated mounting kit included, or a shade meant only for temporary events should look elsewhere, since this style is intentionally water permeable and often requires separate hardware and accurate on-site measuring.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh UV protection from the woven HDPE material helps cool covered areas and protect skin and furnishings.\u003c\/li\u003e\n\u003cli\u003eDurable stainless steel D rings and heavy webbing make long-term installation practical and resilient in storms.\u003c\/li\u003e\n\u003cli\u003eBreathable, water-permeable fabric prevents pooling and reduces wind load on the sail.\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 provide complete rain protection during heavy downpours.\u003c\/li\u003e\n\u003cli\u003eRequires accurate measurement and separate hardware for mounting, which adds planning and cost for installation.\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\u003eWoven HDPE (high density polyethylene)\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 ft x 22 ft (fabric area constant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUV Protection\u003c\/td\u003e\n\u003ctd\u003eBlocks up to 95% of harmful UV rays (UPF50)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorner Hardware\u003c\/td\u003e\n\u003ctd\u003eStainless steel D rings attached to 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 ft x 22 ft white rectangle sun shade sail is a solid value for anyone who needs reliable UV protection, breathability, and durable attachment points for semi-permanent outdoor shade. It is worth buying when cooling, longevity, and airflow matter more than full rain coverage, provided the buyer measures carefully and plans for separate mounting hardware.\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 breathable by design; it allows water to pass through rather than shedding heavy rain.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it reduce temperature under the sail?\u003c\/strong\u003e\u003cbr\u003eYes, the woven HDPE fabric blocks up to 95% of UV and typically lowers temperatures beneath the sail by around 10 to 15 degrees.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the package include mounting hardware?\u003c\/strong\u003e\u003cbr\u003eThe product description implies corner D rings and webbing are included, but mounting hardware kits and poles are sold separately, so plan to purchase appropriate anchors for your installation.\u003c\/p\u003e","brand":"ShadeMart","offers":[{"title":"Default Title","offer_id":48196963500251,"sku":"B0B234X78K","price":213.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91DmqjpB52L._AC_SL1500_c28a539a-bc31-43d9-b404-4856ccfa3d10.jpg?v=1770271801","url":"https:\/\/gearmusthave.com\/products\/shademart-21-ft-x-22-ft-white-rectangle-sun-shade-sail-durable-upf50","provider":"GearMustHave","version":"1.0","type":"link"}