{"product_id":"sun-shade-sail-11ft-x-21ft-rectangle-canopy-sail-uv-block-outdoor","title":"Sun Shade Sail 11ft x 21ft Rectangle Canopy Sail - UV Block Outdoor","description":"\u003cp\u003eOur review of the SUNLAX Sun Shade Sail 11' x 21' finds it a practical, low-cost way to add reliable sun protection to a patio, deck or pergola; the single biggest reason to buy is the fabric's high shading and UV blocking combined with breathable weave, which keeps an outdoor space cooler without trapping heat. The sail is best for homeowners who want dappled shade and a simple seasonal solution that installs quickly, and it performs well when used with proper mounting hardware and some planning for attachment points.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh shading rate:\u003c\/strong\u003e The knitted high-density polyethylene fabric delivers about 90%-95% shading (white series 80%-85%), which significantly reduces direct sunlight and blocks up to 95% of UV rays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathable material:\u003c\/strong\u003e The permeable mesh allows cooling breezes and light rain to pass through, so the area beneath stays ventilated rather than becoming hot and stuffy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSturdy construction:\u003c\/strong\u003e Cut from a complete mesh and finished with double strength stitched seams, the sail resists fraying and is built for repeated use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRust-resistant fittings:\u003c\/strong\u003e Each corner has an anti-rust D-ring and the package includes four cords, making the basic installation faster and more secure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurved edge design:\u003c\/strong\u003e The curved edges help prevent sagging, improving the look and keeping the sail taut for better shade performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom sizing option:\u003c\/strong\u003e SUNLAX advertises custom sizes, which helps when exact coverage is needed for odd-shaped patios or pergolas.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe SUNLAX 11' x 21' shade sail is ideal for homeowners and renters looking to convert a sunny patio, deck or backyard seating area into a cooler, usable space without building a permanent structure. It's a good choice for people who prefer a simple seasonal solution that can be tensioned between posts, trees or existing structures.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for anyone needing a fully waterproof canopy or a permanently mounted roof; the fabric is not waterproof and requires appropriate mounting hardware purchased separately for heavy weather. People who need absolute blackout shade should consider denser, opaque roofing alternatives.\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 shading rate and UV protection provide effective sun blocking and cooler temperatures beneath the sail.\u003c\/li\u003e\n\u003cli\u003ePermeable mesh keeps airflow and lets light rain pass through, avoiding a greenhouse effect.\u003c\/li\u003e\n\u003cli\u003eDurable stitching and anti-rust D-rings make the sail relatively easy to install and long lasting with proper care.\u003c\/li\u003e\n\u003cli\u003eCurved edge design reduces sagging and improves appearance once mounted.\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 fully protect against heavy rain or create a dry covered area.\u003c\/li\u003e\n\u003cli\u003eMounting hardware is not included beyond the cords, so additional attachments or stronger anchors may be required for windy locations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003eSUNLAX Sun Shade Sail 11' 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\u003eHigh-density polyethylene knitted mesh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShading rate\u003c\/td\u003e\n\u003ctd\u003e90%-95% (white series 80%-85%)\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEdges\u003c\/td\u003e\n\u003ctd\u003eCurved design to prevent sagging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware\u003c\/td\u003e\n\u003ctd\u003e4 anti-rust D-rings and 4 cords included; mounting hardware sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe SUNLAX 11' x 21' shade sail is a strong value for anyone who needs effective sun and UV protection without a heavy investment; its high-density mesh, solid stitching and curved edges deliver reliable dappled shade and airflow. Buy this if you want a breathable, attractive canopy for a patio or deck and are prepared to supply proper mounting hardware for windier conditions.\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 permeable and not waterproof, so it will not provide full rain protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with mounting hardware?\u003c\/strong\u003e\u003cbr\u003eThe sail includes 4 cords and anti-rust D-rings, but mounting hooks, turnbuckles or anchors must be purchased separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much space should I leave for installation?\u003c\/strong\u003e\u003cbr\u003eLeave about 0.5-1 ft between the fixing point and the sail for mounting hardware, as recommended by the manufacturer.\u003c\/p\u003e","brand":"SUNLAX","offers":[{"title":"Default Title","offer_id":48613032722651,"sku":"B0C1C2SB5Q","price":135.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81DzJw-664L._AC_SL1500_3329aadc-c817-423c-aef3-32f11fa285a0.jpg?v=1778375353","url":"https:\/\/gearmusthave.com\/products\/sun-shade-sail-11ft-x-21ft-rectangle-canopy-sail-uv-block-outdoor","provider":"GearMustHave","version":"1.0","type":"link"}