{
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    "consfeatures": [
      "Triple-Stranded Pocketed Coil® keeps your spine lifted all night|4K Nano Coils respond individually to every curve and shift|Micro Diamond™ Memory Foam pulls heat away from the surface|Self-Response™ Latex adds bounce and channels airflow through|Firm pillow top cushions without letting the lumbar sink"
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          "title": "Beautyrest Black Series Four Firm Pillow Top Mattress 17.5\""
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          "title": "Beautyrest Black Series Four Firm Pillow Top Mattress 17.5\""
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          "title": "Beautyrest Black Series Four Firm Pillow Top Mattress 17.5\""
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          "title": "Beautyrest Black Series Four Firm Pillow Top Mattress 17.5\""
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          "alt": "Beautyrest Black Series Four Firm Pillow Top Mattress 17.5\"",
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          "title": "Beautyrest Black Series Four Firm Pillow Top Mattress 17.5\""
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          "title": "Beautyrest Black Series Four Firm Pillow Top Mattress 17.5\""
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          "title": "Beautyrest Black Series Four Firm Pillow Top Mattress 17.5\""
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          "title": "Beautyrest Black Series Four Firm Pillow Top Mattress 17.5\""
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          "alt": "Beautyrest Black Series Four Firm Pillow Top Mattress 17.5\"",
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          "title": "Beautyrest Black Series Four Firm Pillow Top Mattress 17.5\""
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image number 0\" itemprop=\"image\" /></div>\n            \n          \n        \n            \n                <div class=\"carousel-items\">\n                    \n<iframe class=\"vimeo-video-pdp\" allow=\"autoplay\"\n        allowfullscreen=\"\"\n        style=\"width: 100%; height: 100%; border: 0;\"\n        src=\"https://player.vimeo.com/video/1054668278?api=1&background=0&muted=1&autoplay=0&byline=0&pip=0&title=0\"\n>\n</iframe>\n                </div>\n            \n          \n        \n            \n              <div class=\"carousel-items\"><img src=\"https://www.sleepworld.com/dw/image/v2/bkcl_prd/on/demandware.static/-/Sites-sleepworld-products-catalog/default/dwfa631adb/images/hi-res/SIM-/SIM-SE4-5M-FPT-24/SIM-SE4-6M-FPT-24_3.jpg?sw=758&amp;sh=485\" class=\"d-block img-fluid\" alt=\"Beautyrest Black Series Four Firm Pillow Top Mattress 17.5&quot; image number 2\" itemprop=\"image\" /></div>\n            \n          \n        \n            \n              <div class=\"carousel-items\"><img src=\"https://www.sleepworld.com/dw/image/v2/bkcl_prd/on/demandware.static/-/Sites-sleepworld-products-catalog/default/dw14b7a9ee/images/hi-res/SIM-/SIM-SE4-5M-FPT-24/SIM-SE4-6M-FPT-24_4.jpg?sw=758&amp;sh=485\" class=\"d-block img-fluid\" alt=\"Beautyrest Black Series Four Firm Pillow Top Mattress 17.5&quot; image number 3\" itemprop=\"image\" /></div>\n            \n          \n        \n    </div>\n\n    \n        <div class=\"carousel-indicators carousel-thumbnails\">\n            \n                <img src=\"https://www.sleepworld.com/dw/image/v2/bkcl_prd/on/demandware.static/-/Sites-sleepworld-products-catalog/default/dw7ab9c4ee/images/hi-res/SIM-/SIM-SE4-5M-FPT-24/SIM-SE4-6M-FPT-24_1.jpg?sw=140&amp;sh=93\" class=\"\" alt=\"Beautyrest Black Series Four Firm Pillow Top Mattress 17.5&quot;\" itemprop=\"image\" loading=\"lazy\" />\n            \n                <img src=\"https://www.sleepworld.com/dw/image/v2/bkcl_prd/on/demandware.static/-/Sites-sleepworld-products-catalog/default/dw38425d2c/images/hi-res/SIM-/SIM-SE4-5M-FPT-24/SIM-SE4-6M-FPT-24_2.jpg?sw=140&amp;sh=93\" class=\"\" alt=\"Beautyrest Black Series Four Firm Pillow Top Mattress 17.5&quot;\" itemprop=\"image\" loading=\"lazy\" />\n            \n                <img src=\"https://www.sleepworld.com/dw/image/v2/bkcl_prd/on/demandware.static/-/Sites-sleepworld-products-catalog/default/dwfa631adb/images/hi-res/SIM-/SIM-SE4-5M-FPT-24/SIM-SE4-6M-FPT-24_3.jpg?sw=140&amp;sh=93\" class=\"\" alt=\"Beautyrest Black Series Four Firm Pillow Top Mattress 17.5&quot;\" itemprop=\"image\" loading=\"lazy\" />\n            \n                <img src=\"https://www.sleepworld.com/dw/image/v2/bkcl_prd/on/demandware.static/-/Sites-sleepworld-products-catalog/default/dw14b7a9ee/images/hi-res/SIM-/SIM-SE4-5M-FPT-24/SIM-SE4-6M-FPT-24_4.jpg?sw=140&amp;sh=93\" class=\"\" alt=\"Beautyrest Black Series Four Firm Pillow Top Mattress 17.5&quot;\" itemprop=\"image\" loading=\"lazy\" />\n            \n        </div>\n    \n\n    <div class=\"js-main-features main-features hidden-sm-down\">\n        \n\n    <div class=\"row no-gutters\">\n        <ul>\n            \n                <li>\n                    <div class=\"adj-base\">Suitable For Adjustable Base</div>\n                 </li>\n            \n                <li>\n                    <div class=\"lowmotion\">Motion Separation</div>\n                 </li>\n            \n                <li>\n                    <div class=\"cooltech\">Cooling Technology</div>\n                 </li>\n            \n                <li>\n                    <div class=\"edge-support\">Edge Support</div>\n                 </li>\n            \n        </ul>\n    </div>\n\n\n    </div>\n    \n        <h2 class=\"sub-title d-none d-md-block\">\n            Overview\n        </h2>\n        <div class=\"long-desc hidden-sm-down\">\n            <p>Beautyrest Black Series Four Firm Pillow Top Mattress 17.5\" Cal King</p><p>⭐⭐⭐⭐ 3.9 · 1+ verified sleepers</p><p>The Beautyrest Black Series Four Firm Pillow Top Mattress 17.5\" is a luxury innerspring mattress built for the back or stomach sleeper who refuses to choose between serious support and a refined, cushioned feel. As the highest tier in the Beautyrest Black® collection, Series Four stacks every feature from the tiers below it, then adds 4K Nano Coils and additional HD Memory Foam layers that the lower series simply do not carry. The result is a mattress that holds its shape and its support character for years, not months.</p><p>Every layer here was chosen for a reason, and our sleep specialists at Mancini's Sleepworld can walk you through how each one will feel for your specific body and sleep style. Stop by any location and we will put this one next to every competing option so you can feel the difference yourself.</p><p>COMFORT AND FEEL: Firm pillow top feel with a cushioned surface entry and stable, lift-back support underneath.</p><p>SIZE: This Cal King sized mattress is built for taller sleepers or couples who want the full length of a king without trading away extra foot room.</p><p>BEST SLEEP MATCH: Built for back and stomach sleepers who want a firm mattress for back pain relief without waking up on a surface that feels punishing. The firm core keeps hips level while the pillow top takes the edge off pressure points.</p><p>BEST FOR: Ideal for sleepers who need lumbar lift through the night, run warm, or share a bed and need motion separation that actually holds.</p><p>CONSTRUCTION SPECIFICATIONS: Triple-Stranded Pocketed Coil® Technology moves independently head to toe, so a restless partner's movement stays on their side. Two layers of 2K Nano Coils, totaling 4K, conform closely to each curve for targeted pressure relief. Micro Diamond™ Memory Foam draws heat away from the sleep surface. Self-Response™ Latex adds responsive cushioning and keeps air moving through the comfort layers. CertiPUR-US® certified foams are used throughout.</p><p>SETUP AND COMPATIBILITY: Delivered flat with in-home professional setup included. Compatible with adjustable bases, platform frames, and box springs. No tools required on your end.</p><p>NOT A FIT FOR: Sleepers who prefer a deep, cradling plush feel will find the firm core too resistant. Side sleepers with sharp hip or shoulder pressure may want a softer comfort tier.</p><p>YOUR SLEEP, BACKED BY US</p><p>Every purchase at Mancini's Sleepworld comes with a 120-night comfort guarantee and our Best Price Guarantee, so you are never paying more than you should. Add a premium mattress protector at the time of purchase and you can upgrade that to a full 365 nights. Our sleep specialists are here in store, ready to help you try this mattress before you buy. Free next-day delivery, in-home professional setup, and flexible financing are all part of the Rest Easy Promise.</p>\n        </div>\n    \n    \n        <ul class=\"delivery-list d-none d-md-block m-0\">\n            <li class=\"small-text square square__red\">SleepMatch: <span>red</span></li>\n        </ul>\n        <div class=\"delivery-list-content d-none d-md-block\">\n            \n            \n            <iscontentasset aid=\"sleep-match-red\">\n        </div>\n    \n</div>\n\n        <!-- Product Name and Number -->\n        <div class=\"col-sm-6\">\n            <div class=\"row\">\n                <div class=\"col\">\n                    <section>\n                        <h1 class=\"product-name\">Beautyrest Black Series Four Firm Pillow Top Mattress 17.5&quot;</h1>\n                    </section>\n                </div>\n            </div>\n\n            <div class=\"detail-panel\">\n                <!-- Attributes -->\n                <section class=\"attributes\">\n\n                    <div class=\"row\">\n    <div class=\"col\">\n        \n            <div class=\"main-attributes\">\n                \n                    \n                \n                    \n                \n            </div>\n        \n    </div>\n</div>\n\n\n                        \n                            <div data-attr=\"size\" class=\"swatch row\">\n                                <div class=\"col-8\">\n                                    \n\n<div class=\"attribute\">\n    <!-- Select <Attribute> Label -->\n    <label class=\"size\" for=\"size-1\">\n        \n            <span class=\"js-size-select\">Size: 72&Prime; x 83.5&Prime;</span>\n        \n    </label>\n\n    <!-- Attribute Values Drop Down Menu -->\n\n    <select class=\"d-none custom-select form-control select-size\" id=\"size-1\" >\n        \n        \n            <option value=\"https://www.sleepworld.com/on/demandware.store/Sites-Sleepworld-Site/en_US/Product-Variation?dwvar_SIM-SE4-5M-FPT-24-config_size=TwinXL&amp;pid=SIM-SE4-5M-FPT-24-config&amp;quantity=1\" data-attr-value=\"TwinXL\"\n                \n                \n            >\n                Twin XL\n            </option>\n        \n            <option value=\"https://www.sleepworld.com/on/demandware.store/Sites-Sleepworld-Site/en_US/Product-Variation?dwvar_SIM-SE4-5M-FPT-24-config_size=&amp;pid=SIM-SE4-5M-FPT-24-config&amp;quantity=1\" data-attr-value=\"CalKing\"\n                \n                selected\n            >\n                Cal King\n            </option>\n        \n            <option value=\"https://www.sleepworld.com/on/demandware.store/Sites-Sleepworld-Site/en_US/Product-Variation?dwvar_SIM-SE4-5M-FPT-24-config_size=SplitCalKing&amp;pid=SIM-SE4-5M-FPT-24-config&amp;quantity=1\" data-attr-value=\"SplitCalKing\"\n                \n                \n            >\n                Split Cal King\n            </option>\n        \n            <option value=\"https://www.sleepworld.com/on/demandware.store/Sites-Sleepworld-Site/en_US/Product-Variation?dwvar_SIM-SE4-5M-FPT-24-config_size=EasternKing&amp;pid=SIM-SE4-5M-FPT-24-config&amp;quantity=1\" data-attr-value=\"EasternKing\"\n                \n                \n            >\n                Eastern King\n            </option>\n        \n            <option value=\"https://www.sleepworld.com/on/demandware.store/Sites-Sleepworld-Site/en_US/Product-Variation?dwvar_SIM-SE4-5M-FPT-24-config_size=Queen&amp;pid=SIM-SE4-5M-FPT-24-config&amp;quantity=1\" data-attr-value=\"Queen\"\n                \n                \n            >\n                Queen\n            </option>\n        \n    </select>\n    \n    \n    \n        \n    \n        \n             \n        \n    \n        \n    \n        \n    \n        \n    \n    <div class=\"custom-select form-control js-select-size null\"\n        tabindex=\"0\"\n    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data-url=\"/on/demandware.store/Sites-Sleepworld-Site/en_US/Product-Variation?pid=SIM-SE4-6M-FPT-24&amp;quantity=7\"\n                \n        >\n            7\n        </option>\n    \n        <option value=\"8\"\n                data-url=\"/on/demandware.store/Sites-Sleepworld-Site/en_US/Product-Variation?pid=SIM-SE4-6M-FPT-24&amp;quantity=8\"\n                \n        >\n            8\n        </option>\n    \n        <option value=\"9\"\n                data-url=\"/on/demandware.store/Sites-Sleepworld-Site/en_US/Product-Variation?pid=SIM-SE4-6M-FPT-24&amp;quantity=9\"\n                \n        >\n            9\n        </option>\n    \n        <option value=\"10\"\n                data-url=\"/on/demandware.store/Sites-Sleepworld-Site/en_US/Product-Variation?pid=SIM-SE4-6M-FPT-24&amp;quantity=10\"\n                \n        >\n            10\n        </option>\n    \n</select>\n\n                \n            </div>\n\n            <div class=\"col-8 mx-auto\">\n                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