{"product_id":"serta-five-star-mattress-in-a-box-8-medium-available-in-twin-twin-xl-full-queen-king-and-cal-king-sizes","title":"Serta Five Star Mattress Bed in a Box 8” Medium ~ Available in Twin, Twin XL, Full, Queen, King and Cal King Sizes","description":"\u003cstyle\u003e\n.cb-content{max-width:1200px;margin:0 auto;font-family:Montserrat,sans-serif;color:#333;line-height:1.8}\n.cb-content h2{color:#000;font-size:20px;font-weight:700;margin:32px 0 12px;padding-bottom:6px;border-bottom:2px solid #000}\n.cb-content p{margin-bottom:14px;font-size:15px}\n.cb-content strong{color:#000}\n.cb-specs{width:100%;border-collapse:collapse;margin:16px 0 24px}\n.cb-specs td{padding:8px 14px;border:1px solid #e0e0e0;font-size:14px}\n.cb-specs td:first-child{font-weight:600;background:#fafafa;width:40%;color:#000}\n.cta-box{background:transparent;color:#000;padding:30px;border:2px solid #000;border-radius:8px;margin-top:30px;text-align:center}\n.cta-box h3{color:#000;margin:0 0 10px;font-size:22px}\n.cta-box p{margin:0 0 15px;color:#000}\n.cta-box a{color:#000;text-decoration:underline;font-weight:600}\ndetails{margin:8px 0;border:1px solid #e0e0e0;border-radius:8px;overflow:hidden}\ndetails summary{padding:12px 18px;cursor:pointer;font-weight:600;font-size:15px;background:#fafafa}\ndetails .dt-inner{padding:14px 18px;font-size:14px;line-height:1.7}\n\u003c\/style\u003e\n\n\u003cdiv class=\"cb-content\"\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSerta Five Star Mattress in a Box 8\" Medium\u003c\/strong\u003e — a premium gel \u003cstrong\u003ememory foam mattress\u003c\/strong\u003e delivered compressed to your door. The 8-inch profile combines Serta Premium Gel Memory Foam with a durable support core for pressure relief and spinal alignment. CertiPUR-US® certified. Available in Twin, Twin XL, Full, Queen, King, and California King. Ideal for guest rooms, bunk beds, and first apartments. Save \u003cstrong\u003e20% OFF\u003c\/strong\u003e with \u003cstrong\u003efree shipping\u003c\/strong\u003e from Casa Bella Decor.\u003c\/p\u003e\n\n\u003ch2\u003eGel Memory Foam Comfort\u003c\/h2\u003e\n\u003cp\u003eThe top comfort layer contours to your body, relieving pressure at the hips and shoulders. The dense Serta Foam Core below provides continuous support to maintain proper spinal alignment. The universal medium feel works well for combination sleepers who shift between back, side, and stomach positions throughout the night.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\n\u003ctable class=\"cb-specs\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSerta Five Star Collection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMattress Type\u003c\/td\u003e\n\u003ctd\u003eGel Memory Foam (Bed in a Box)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComfort Level\u003c\/td\u003e\n\u003ctd\u003eMedium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e8 Inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSizes\u003c\/td\u003e\n\u003ctd\u003eTwin, Twin XL, Full, Queen, King, California King\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eCertiPUR-US® (no ozone depleters, mercury, or formaldehyde)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003eFREE Ground Delivery (USA-wide)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eSetup Instructions\u003c\/summary\u003e\n\u003cdiv class=\"dt-inner\"\u003e\n\u003cp\u003e\u003cstrong\u003eStep 1:\u003c\/strong\u003e Move the box to your bedroom before opening — the mattress is heavy once unrolled.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStep 2:\u003c\/strong\u003e Unroll the mattress onto your foundation or platform bed. Cut the plastic wrapping with scissors (not a knife).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStep 3:\u003c\/strong\u003e Allow 24–48 hours for full expansion to 8 inches and for packaging odor to dissipate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eFrequently Asked Questions\u003c\/summary\u003e\n\u003cdiv class=\"dt-inner\"\u003e\n\u003cp\u003e\u003cstrong\u003eIs an 8-inch mattress thick enough for adults?\u003c\/strong\u003e\u003cbr\u003eYes, for lighter adults and teens. For heavier daily use, consider the 10-inch Five Star model for additional support depth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this need a box spring?\u003c\/strong\u003e\u003cbr\u003eNo. Place on a platform bed, a slatted frame (slats under 2\" apart), or a Serta mattress foundation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the foam safe?\u003c\/strong\u003e\u003cbr\u003eYes. CertiPUR-US® certified — made without ozone depleters, heavy metals, formaldehyde, or phthalates, with low VOC emissions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdiv class=\"cta-box\"\u003e\n\u003ch3\u003e20% OFF \u0026amp; Free Shipping — Don't Miss This\u003c\/h3\u003e\n\u003cp\u003eShop this \u003cstrong\u003eSerta mattress in a box\u003c\/strong\u003e and save 20% sitewide at Casa Bella Decor. Available as a \u003cstrong\u003ebed in a box queen\u003c\/strong\u003e, king, twin, and more.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"tel:8552233267\"\u003eCall or Text: 855.223.3267\u003c\/a\u003e | \u003ca href=\"mailto:cs@casabelladecor.net\"\u003eEmail: cs@casabelladecor.net\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is an 8-inch mattress thick enough for adults?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, for lighter adults and teens. For heavier daily use, consider the 10-inch Five Star model for additional support depth.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does the Serta 8-inch mattress in a box need a box spring?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. Place it on a platform bed, a slatted frame with slats under 2 inches apart, or a Serta mattress foundation.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the Serta Five Star foam safe?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. CertiPUR-US certified — made without ozone depleters, heavy metals, formaldehyde, or phthalates, with low VOC emissions.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n","brand":"Serta","offers":[{"title":"TWIN","offer_id":44929955070152,"sku":null,"price":299.0,"currency_code":"USD","in_stock":true},{"title":"TWIN XL","offer_id":44929955758280,"sku":null,"price":379.0,"currency_code":"USD","in_stock":true},{"title":"FULL","offer_id":44929955791048,"sku":null,"price":379.0,"currency_code":"USD","in_stock":true},{"title":"QUEEN","offer_id":44929955823816,"sku":null,"price":399.0,"currency_code":"USD","in_stock":true},{"title":"KING","offer_id":44929955856584,"sku":null,"price":699.0,"currency_code":"USD","in_stock":true},{"title":"CAL KING","offer_id":44929955889352,"sku":null,"price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/8519\/3928\/files\/Serta_Five_Star_Mattress_Bed_in_a_Box_8.webp?v=1770192322","url":"https:\/\/casabelladecor.net\/products\/serta-five-star-mattress-in-a-box-8-medium-available-in-twin-twin-xl-full-queen-king-and-cal-king-sizes","provider":"casabelladecor.net","version":"1.0","type":"link"}