{"product_id":"shademart-11ft-x-18ft-blue-sun-shade-sail-upf50-rectangle-cooling","title":"ShadeMart 11ft x 18ft Blue Sun Shade Sail UPF50 Rectangle - Cooling","description":"\u003cp\u003eIn this review the ShadeMart 11' x 18' blue rectangle shade sail is assessed for homeowners and small business owners who need inexpensive, effective sun protection for patios, carports, and pools. The bottom line: it is a sturdy, breathable HDPE fabric canopy that blocks up to 95% of UV rays and noticeably lowers temperature under the sail, making it a practical choice where sun reduction and airflow are priorities rather than full waterproofing.\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 a durable, tear-resistant surface that stands up to repeated outdoor use while remaining lightweight for mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV PROTECTION:\u003c\/strong\u003e Rated to block up to 95% of harmful UV rays, the sail significantly lowers ambient temperature beneath the canopy for more comfortable outdoor time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBREATHABILITY:\u003c\/strong\u003e Water permeable and breathable construction allows rain and air to pass through, preventing pooling and reducing wind strain on attachment points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHARDWARE:\u003c\/strong\u003e Stainless steel corner D rings attached to heavy duty white webbing create reliable anchor points for standard shade sail hardware kits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCUSTOM SIZE OPTIONS:\u003c\/strong\u003e A range of custom sizes is available so you can match irregular areas, but careful measurement is required because manual sizing may vary slightly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVISUAL STYLE:\u003c\/strong\u003e Rectangle shape and color choices let the sail act as both functional sun coverage and a decorative addition to patios or yards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis sail is ideal for homeowners, renters, and small business owners who want a cost-effective, durable way to reduce sun exposure over a patio, carport, pergola, or pool without creating a sealed roof. People looking to cut temperatures and protect skin from UV while maintaining airflow will find the product especially useful.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for anyone who needs a fully waterproof canopy or exact factory-precision rectangle sizing for engineered installations. For tight tolerances or rainproof coverage, a different material or product designed specifically for waterproofing would be a better fit.\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 UV blocking capability keeps shaded areas noticeably cooler and protects skin and furnishings from sun damage.\u003c\/li\u003e\n\u003cli\u003eDurable HDPE fabric and stainless steel D rings deliver long-term durability and reliable anchor points.\u003c\/li\u003e\n\u003cli\u003eBreathable, water permeable design prevents water pooling and reduces wind load on mounts.\u003c\/li\u003e\n\u003cli\u003eCustom size options and multiple colors help integrate the sail into diverse outdoor designs.\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 provide full rain protection during heavy storms.\u003c\/li\u003e\n\u003cli\u003eSize and shape may vary slightly due to manual measurements, which can matter for exact-fit installations.\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\u003eRectangle shade sail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e11' x 18'\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\u003eCorners\u003c\/td\u003e\n\u003ctd\u003eStainless steel D rings on heavy duty webbing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeather performance\u003c\/td\u003e\n\u003ctd\u003eWater permeable and breathable (not waterproof)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications\u003c\/td\u003e\n\u003ctd\u003ePatio, carport, pergola, pool, yard, window shade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe ShadeMart 11' x 18' blue rectangle shade sail is a smart value for anyone needing reliable sun protection and airflow rather than rainproof coverage. With tough HDPE fabric, stainless steel D rings, and strong UV blocking, it performs well for patios, carports, and pool areas; buyers should just measure carefully and accept minor manual sizing variation if ordering a custom size.\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 fabric is water permeable and breathable, so it is not waterproof and will allow water to pass through.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much UV protection does it provide?\u003c\/strong\u003e\u003cbr\u003eThe sail blocks up to 95% of harmful UV rays (UPF50), which helps reduce temperature and sun exposure beneath the canopy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be attached to trees or poles?\u003c\/strong\u003e\u003cbr\u003eYes, the stainless steel D rings and heavy webbing allow attachment to poles, trees, walls, or roofs with the appropriate hardware kit.\u003c\/p\u003e","brand":"ShadeMart","offers":[{"title":"Default Title","offer_id":48650054861019,"sku":"B0B69XQWVH","price":126.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/91CyVuDkKhL._AC_SL1500_b3fa9df6-9020-47c9-b3af-8f696d2900ae.jpg?v=1778543838","url":"https:\/\/gearmusthave.com\/products\/shademart-11ft-x-18ft-blue-sun-shade-sail-upf50-rectangle-cooling","provider":"GearMustHave","version":"1.0","type":"link"}