{"product_id":"colourtree-custom-size-21-ft-x-23-ft-black-sun-shade-sail-heavy-duty","title":"ColourTree Custom Size 21 ft x 23 ft Black Sun Shade Sail - Heavy Duty","description":"\u003cp\u003eIn this review of the ColourTree custom size 21 ft x 23 ft black sun shade sail canopy, the bottom line is simple: this is a heavy duty, UV-focused shade for people who need long-lasting sun protection over patios, pools or carports. The reviewer found the standout reason to buy is the thick 190 GSM virgin HDPE fabric treated with a UV stabilized compound, which the manufacturer says passed extensive UV testing and resists fading and tearing better than recycled alternatives. Installation requires proper hardware but the finished canopy delivers noticeable shade and cooler spaces.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e190 GSM virgin HDPE:\u003c\/strong\u003e The thick, non-recycled fabric provides a denser weave that feels sturdier and is intended to extend service life under sun exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV stabilized compound:\u003c\/strong\u003e Lab-tested UV treatment reduces fading and drying, helping the sail hold up through prolonged sun without becoming brittle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e95% UV blockage:\u003c\/strong\u003e The woven fabric blocks most harmful UV rays and lowers temperature beneath the canopy for more comfortable outdoor use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathable woven material:\u003c\/strong\u003e Air and water pass through to prevent pooling and reduce wind stress while still providing effective sun protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforced edges and stainless D-rings:\u003c\/strong\u003e Double-layer stitched seams and heavy corner stitching keep the sail taut and make for secure anchor points when paired with proper hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree year warranty:\u003c\/strong\u003e A limited warranty covers normal weather and use, offering some assurance of durability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe ColourTree 21 ft x 23 ft shade sail is best for homeowners or small commercial spaces needing a large, durable rectangle shade that prioritizes UV protection and longevity. It is a good fit where a breathable canopy is desirable, such as over patios, pools, porches or carports, and for buyers who will pair it with robust shade sail hardware and secure anchor points.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere are buyers who want a fully waterproof tarp, a lightweight temporary cover, or an all-in-one mounting kit included with the sail. This product requires separately purchased hardware and is optimized for sun and breathability rather than complete water sealing.\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\u003eDurable 190 GSM virgin HDPE material resists fading and tearing in strong sun.\u003c\/li\u003e\n\u003cli\u003eBlocks up to 95% of harmful UV for cooler shaded areas and better sun protection.\u003c\/li\u003e\n\u003cli\u003eBreathable weave prevents water pooling and reduces wind stress on the fabric.\u003c\/li\u003e\n\u003cli\u003eReinforced seams and stainless steel D-rings make attachment secure when installed correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstallation requires separate hardware and correct cable choice; nylon ropes are not recommended.\u003c\/li\u003e\n\u003cli\u003eNot fully waterproof - allows water through by design, which some users may interpret as only water resistant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e21 ft x 23 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e190 GSM 100% virgin HDPE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUV Protection\u003c\/td\u003e\n\u003ctd\u003eBlocks 95% of UV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eDouble layered reinforced stitched seams with stainless D-rings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBreathability\u003c\/td\u003e\n\u003ctd\u003eBreathable woven fabric, allows water and air through\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3 years limited warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe ColourTree 21 ft x 23 ft black sun shade sail is a practical choice for anyone who needs a large, long-lasting canopy that focuses on UV protection and durability. It offers strong value when paired with proper hardware and is best for patios, pools and carports where breathability and reduced heat are priorities rather than complete waterproofing.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this sail block a lot of UV?\u003c\/strong\u003e\u003cbr\u003eThe fabric is rated to block about 95% of harmful UV, providing significant sun protection and cooler shaded areas.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs hardware included for installation?\u003c\/strong\u003e\u003cbr\u003eNo, mounting hardware is sold separately and the sail requires cables or hardware; avoid nylon ropes and use recommended shade sail fittings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill water pool on the sail?\u003c\/strong\u003e\u003cbr\u003eNo, the breathable woven fabric allows water to pass through to prevent pooling, so it is water resistant but not designed as a waterproof tarp.\u003c\/p\u003e","brand":"ColourTree","offers":[{"title":"Default Title","offer_id":48633849184475,"sku":"B0C1PBZ4Q1","price":220.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81mwb9Rr5aL._AC_SL1500_5f56b9af-0c05-4932-a781-6f1b253fa4cc.jpg?v=1778460228","url":"https:\/\/gearmusthave.com\/products\/colourtree-custom-size-21-ft-x-23-ft-black-sun-shade-sail-heavy-duty","provider":"GearMustHave","version":"1.0","type":"link"}