{"product_id":"21-ft-x-23-ft-x-31-1-ft-black-right-triangle-sun-shade-sail-durable","title":"21 ft x 23 ft x 31.1 ft Black Right Triangle Sun Shade Sail - Durable","description":"\u003cp\u003eIn this review of the 21' x 23' x 31.1' Black Right Triangle Sun Shade Sail from SHADESPEARE, the bottom line is simple: this is a durable, high-coverage option for anyone needing reliable sun protection over a pool, patio, or carport. The sail's corner-to-corner measurement and slightly curved edges are designed to prevent mid-span sagging, which means it looks neater and performs better than many flat sails. The construction from virgin polyethylene and the claimed up to 95% UV blockage make it a sensible choice for homeowners who want strong sun protection without complex installation.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner-to-corner measurement:\u003c\/strong\u003e Ensures the stated dimensions reflect actual span so buyers can plan mounting points accurately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurved edge design:\u003c\/strong\u003e Precisely calculated radian curves prevent sagging in the middle and keep the fabric taut for a cleaner appearance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVirgin polyethylene fabric:\u003c\/strong\u003e Provides strong tensile strength while remaining lightweight for easier handling during install.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh UV blockage:\u003c\/strong\u003e Blocks up to 95% of UV rays, helping keep shaded areas cooler and protecting skin and furnishings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-season functionality:\u003c\/strong\u003e Offers shading and cooling in summer, some anti-frost benefit at night, and slight rain resistance during the rainy season.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom orders and warranty:\u003c\/strong\u003e Can be customized to fit unique spaces and includes a 3-Year Limited Warranty for added confidence.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis shade sail is aimed at homeowners and renters with medium to large outdoor spaces like backyards, patios, pools, driveways, or carports who want a durable, easy-to-handle sun cover that reduces temperature and UV exposure. It is especially useful where mounting points are fixed and the buyer values a neat, non-sagging installation.\u003c\/p\u003e\u003cp\u003eThose who should look elsewhere include buyers who need a fully waterproof canopy (this is only slightly rainproof) or customers requiring rigid frame structures or motorized awnings. Also, if commercial fire-rated fabric is required, verify suitability before purchase.\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 protection and visibility reduction, making outdoor spaces cooler and more comfortable.\u003c\/li\u003e\n\u003cli\u003eDurable virgin polyethylene construction that customers report holds up through a season with good value for money.\u003c\/li\u003e\n\u003cli\u003eCurved edges and corner-to-corner sizing reduce sag and improve appearance after installation.\u003c\/li\u003e\n\u003cli\u003eAvailable for customization and backed by a 3-Year Limited Warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHardware received mixed reviews, so installation may require additional or upgraded fittings for some sites.\u003c\/li\u003e\n\u003cli\u003eOnly slightly rainproof, so it is not a substitute for a waterproof awning in heavy rain.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eShape\u003c\/td\u003e\n\u003ctd\u003eRight triangle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize (corner to corner)\u003c\/td\u003e\n\u003ctd\u003e21' x 23' x 31.1'\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eVirgin polyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUV blockage\u003c\/td\u003e\n\u003ctd\u003eUp to 95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVisibility blockage\u003c\/td\u003e\n\u003ctd\u003eAbout 90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e3-Year Limited Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe 21' x 23' x 31.1' black right triangle shade sail is a practical, value-oriented choice for homeowners who need strong sun protection and a tidy installation. Its curved-edge design and durable polyethylene fabric deliver reliable shading and cooling, while the 3-Year Limited Warranty and customization options make it a flexible pick for most patio and pool-side uses. It is not a full waterproof solution, but for UV protection and everyday outdoor comfort it represents good value.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eHow is the size measured?\u003c\/strong\u003e\u003cbr\u003eSize is measured from corner to corner so you should plan mounting points to match the stated span.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the fabric waterproof?\u003c\/strong\u003e\u003cbr\u003eThe fabric is slightly rainproof but not fully waterproof; it is intended primarily for shade and UV protection.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes hardware come with the sail?\u003c\/strong\u003e\u003cbr\u003eHardware is included but customer feedback is mixed, and some installations may benefit from upgraded fittings.\u003c\/p\u003e","brand":"SHADESPEARE","offers":[{"title":"Default Title","offer_id":48610366456027,"sku":"B0BBVNN8LS","price":140.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81oxlWuCisL._AC_SL1500_41bad1e8-b063-41c0-bb2d-ca8be487a254.jpg?v=1778421691","url":"https:\/\/gearmusthave.com\/products\/21-ft-x-23-ft-x-31-1-ft-black-right-triangle-sun-shade-sail-durable","provider":"GearMustHave","version":"1.0","type":"link"}