{"product_id":"cordless-roller-shades-21in-x-72in-blackout-window-shade-white","title":"Cordless Roller Shades 21in x 72in Blackout Window Shade - White","description":"\u003cp\u003eOur review of the Cordless Roller Shades (21in x 72in) finds a practical blackout solution for bedrooms, media rooms, and offices where full light control and safety are priorities. The single biggest reason to buy is the combination of a true blackout fabric and a cordless spring system that lets you stop the shade wherever you want while eliminating hanging cords around children and pets. Installation is straightforward and the fabric's thermal backing also helps reduce heat transfer, so these shades suit anyone who needs privacy, complete light blocking, and a neater look.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Polyester Fabric:\u003c\/strong\u003e The material is smooth, resists wear and cleans easily while providing a blackout surface that blocks sunlight and UV rays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Insulated Coating:\u003c\/strong\u003e Reinforced backing reduces heat loss in winter and heat gain in summer, which can help lower energy bills.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCordless Spring System:\u003c\/strong\u003e A robust spring-loaded mechanism lets you stop the shade at any height and avoids exposed cords for improved child and pet safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability Tested:\u003c\/strong\u003e The built-in spring has passed repeated lifting tests, indicating consistent roll and return performance over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Rebound:\u003c\/strong\u003e Rebound position and speed can be tuned with accessible screws to customize stopping points and closing speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside\/Internal Mount Guidance:\u003c\/strong\u003e Clear sizing advice helps ensure proper coverage by adding width for outside mounts or choosing equal\/slightly smaller widths for inside installs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis shade is ideal for families with young children or pets who need a cordless, safe option that still provides full blackout performance. It also suits renters or homeowners seeking an energy-conscious shade with a clean, minimal look and easy maintenance.\u003c\/p\u003e\n\u003cp\u003eThose who need custom-fit motorized options, patterned fabrics, or very heavy-duty commercial hardware should look elsewhere; this product is best for standard residential windows where a simple, reliable blackout roller is required.\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\u003eExcellent light blocking and UV protection for true room darkening.\u003c\/li\u003e\n\u003cli\u003eThermal backing helps moderate indoor temperature and may reduce energy costs.\u003c\/li\u003e\n\u003cli\u003eCordless spring mechanism is convenient and safer around kids and pets.\u003c\/li\u003e\n\u003cli\u003eSimple installation and smooth roll-up functionality; many users report easy 4-screw mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFabric width is 1in narrower than the shade size, so careful measuring is required for a perfect fit.\u003c\/li\u003e\n\u003cli\u003eDurability opinions are mixed among users, so heavy-commercial use may reveal limits over long term.\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\u003eCordless roller blackout shade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e21in W x 72in H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e100% polyester with thermal insulated backing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight Control\u003c\/td\u003e\n\u003ctd\u003e100% blackout, blocks sunlight and UV rays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperation\u003c\/td\u003e\n\u003ctd\u003eSpring-loaded cordless mechanism, adjustable rebound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount Options\u003c\/td\u003e\n\u003ctd\u003eInside or outside mount (outside add 4in width)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 21in x 72in cordless roller blackout shade is a solid choice for homeowners and renters seeking effective room darkening with a child-safe, cordless design and thermal benefits. It delivers good value for typical residential windows, combining easy installation, dependable blackout performance, and customizable rebound settings that make everyday use simple and practical.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I size this shade for an outside mount?\u003c\/strong\u003e\u003cbr\u003eOrder a shade 4in wider than the window width so the fabric fully covers the opening and limits light gaps.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I adjust how fast or where the shade stops?\u003c\/strong\u003e\u003cbr\u003eYes, open the side covers and turn the adjustment screws: clockwise slows rebound speed, counterclockwise speeds it; the left-side screw sets the stop position.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the fabric easy to clean?\u003c\/strong\u003e\u003cbr\u003eThe 100% polyester material is smooth and resists burrs; it wipes clean for routine maintenance.\u003c\/p\u003e","brand":"AOSKY","offers":[{"title":"Default Title","offer_id":48253693624539,"sku":"B0D4Q34H4M","price":37.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51y9jtzkqJL._AC_SL1500_1ff6171e-7295-45af-ba92-6b6678f0efbb.jpg?v=1778322240","url":"https:\/\/gearmusthave.com\/products\/cordless-roller-shades-21in-x-72in-blackout-window-shade-white","provider":"GearMustHave","version":"1.0","type":"link"}