{"product_id":"17ft-x-21ft-gray-straight-edge-sun-shade-sail-durable-uv-block","title":"17ft x 21ft Gray Straight Edge Sun Shade Sail - Durable UV Block","description":"\u003cp\u003eIn this review we look at the 17' x 21' Gray Straight Edge Sun Shade Sail and why it is a solid choice for homeowners who need broad, reliable shade. The bottom line: this shade sail is best for patios, pergolas, and backyard areas where a durable, breathable cover is needed, because the 190 GSM HDPE fabric blocks up to 96% of UV rays while still allowing cooling breezes to pass through. The construction and corner hardware mean it stands up to regular outdoor use and fits a variety of mounting layouts when trimmed with the recommended tension.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Constructed from 190 GSM UV-protected high density polyethylene for durable, long-lasting shade and resistance to sun degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUV Protection:\u003c\/strong\u003e Blocks up to 96% of harmful UV rays, reducing sun exposure and lowering temperature beneath the sail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight Edge Design:\u003c\/strong\u003e The rectangular shape and straight edges provide predictable coverage for pergolas, patios, windows, doorways, and playgrounds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware:\u003c\/strong\u003e Heavy stitched seams and 304 stainless steel D-rings at each corner give secure anchor points and improve longevity under tension.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathable Fabric:\u003c\/strong\u003e The permeable weave lets air and water pass through to avoid pooling and maintain a cooling breeze under the sail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Options:\u003c\/strong\u003e Hand-made in the US with custom sizes and colors available, plus a one-year warranty for normal weather and usage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis sun shade sail is ideal for homeowners and renters who want substantial shade for a patio, pergola, sandbox, or driveway, and who prefer a breathable cover that reduces heat without completely blocking airflow. It works well for gardeners and family areas where UV protection and durability matter, and for people who can install or arrange professional installation using the listed mounting measurements and optional hardware.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include buyers needing a fully waterproof awning (the fabric is permeable) or customers expecting a complete mounting kit with poles included, since customers note poles are not supplied and additional hardware may be required for some designs.\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-density 190 GSM HDPE with UV-stabilized treatment provides robust UV blockage and long service life.\u003c\/li\u003e\n\u003cli\u003e304 stainless steel D-rings and reinforced seams make installation secure and improve durability under tension.\u003c\/li\u003e\n\u003cli\u003ePermeable design allows airflow and water drainage, preventing sagging and creating a cooler shaded space.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDoes not include poles or comprehensive mounting hardware, so extra purchases may be necessary for some installations.\u003c\/li\u003e\n\u003cli\u003eThe fabric is permeable so it will not keep all rain out if a waterproof cover is required.\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\u003e17 ft x 21 ft (measurement D-ring to D-ring)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eGray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e190 GSM UV-protected high density polyethylene (virgin HDPE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUV Blockage\u003c\/td\u003e\n\u003ctd\u003eUp to 96% UV rays blocked\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardware\u003c\/td\u003e\n\u003ctd\u003e304 stainless steel D-rings with triple layer webbing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePermeability\u003c\/td\u003e\n\u003ctd\u003eBreathable fabric allows air and water to pass through\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eOne-year warranty under normal weather and usage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 17' x 21' Gray Straight Edge Sun Shade Sail is a practical, well-built option for anyone wanting large, breathable shade that significantly reduces UV exposure. It offers strong construction, reliable D-ring anchors, and customizable sizing, making it good value for patios, pergolas, and family play spaces - provided you are prepared to supply or purchase any additional mounting hardware.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the sail measured?\u003c\/strong\u003e\u003cbr\u003eThe measurement is from D-ring to D-ring, and the sail should be about 0.5 ft to 2 ft shorter than the distance between mounting points without extensions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it block rain?\u003c\/strong\u003e\u003cbr\u003eThe fabric is permeable to let water and air pass through, so it reduces sun and some spray but is not fully waterproof.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with installation hardware?\u003c\/strong\u003e\u003cbr\u003eRopes are included for convenience, but poles and full mounting kits are not supplied and may need to be purchased separately depending on your design.\u003c\/p\u003e","brand":"ENOCHZANG","offers":[{"title":"Default Title","offer_id":48260194435291,"sku":"B0B5ZD448D","price":193.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71U4yFoDP3L._AC_SL1500_be244a0e-3b0f-4b4e-a5c5-62f65384feb0.jpg?v=1778330922","url":"https:\/\/gearmusthave.com\/products\/17ft-x-21ft-gray-straight-edge-sun-shade-sail-durable-uv-block","provider":"GearMustHave","version":"1.0","type":"link"}