{"product_id":"king-size-mattress-medium-firm-12-inch-hybrid-mattress-king-size-in-a-box-memory-foam-pocket-springs-for-back-pain-relief-fiberglass-free-motion-isolation-certipur-us-oeko-tex-certified","title":"King Size Mattress, Medium Firm 12 Inch Hybrid Mattress King Size in a Box - Memory Foam \u0026 Pocket Springs for Back Pain Relief, Fiberglass Free, Motion Isolation, CertiPUR-US \u0026 OEKO-TEX Certified","description":"\u003cul\u003e\n\u003cli\u003ePrecision Fit \u0026amp; Hassle-Free Setup:Designed for King-size beds (76\"×79\"×12\"), it arrives compressed in a box for effortless setup. Fits all frame types—platform, box spring, or floor. Allow 48-72 hours for full expansion. The box design simplifies handling and placement.\u003c\/li\u003e\n\u003cli\u003eCooling comfort \u0026amp; healthier sleep:Memory foam infused with cooling gel provides pressure relief and temperature regulation. The hybrid design combines individually wrapped coils for customized support from head to toe. Fiberglass-free, OEKO-TEX, and CertiPUR-US certified foams ensure hypoallergenic safety and zero off-gassing for fresh, breathable air.\u003c\/li\u003e\n\u003cli\u003eCustomized Support \u0026amp; Lasting Peace of Mind:Experience the precision of nearly 900 individually wrapped springs for targeted spinal support and minimal motion transfer. Zoned design offers softer shoulder support and firmer waist push-back. Tested 100,000 times with reinforced edges and high-density foam base for lasting, all-position support.\u003c\/li\u003e\n\u003cli\u003eHybrid Value \u0026amp; Eco-smart:The hybrid design delivers premium comfort at a great value. No box spring needed—ready to use straight from the box. Compact shipping reduces our carbon footprint and simplifies storage. Heads-up: During the first a short period after unboxing, the comfort foam layers may not have fully expanded, which could make the mattress feel firmer than expected. Gently patting the surface can help speed up the recovery process.\u003c\/li\u003e\n\u003cli\u003eNo-Risk Guarantee: At we're more than a brand - we're a symbol of enduring trust.Each bed in a box king size is manufactured under strict QC guidelines and inspected before being shipped to you. We offer 360-night trial \u0026amp; 10-year support. If you have questions or feedback about king size memory foam mattress, our dedicated team is always eager to assist.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003eKing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFill Material\u003c\/th\u003e\n\u003ctd\u003eHigh Density Foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction Type\u003c\/th\u003e\n\u003ctd\u003eMemory Foam \u0026amp; Pocket Spring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Dimensions\u003c\/th\u003e\n\u003ctd\u003e79\"L x 76\"W x 12\"Th\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eItem Weight\u003c\/th\u003e\n\u003ctd\u003e64 pounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eItem Firmness Description\u003c\/th\u003e\n\u003ctd\u003eMedium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTop Style\u003c\/th\u003e\n\u003ctd\u003eEuro Top\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCover Material\u003c\/th\u003e\n\u003ctd\u003eFabric Blend\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumber of Layers\u003c\/th\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdditional Features\u003c\/th\u003e\n\u003ctd\u003eExtra Lumbar \u0026amp; Hip Support, Motion-Isolation, Pain Relief \u0026amp; Spine Alignment, Temperature Regulation \u0026amp; Lifetime Service\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMattress Coil Type\u003c\/th\u003e\n\u003ctd\u003ePocketed Coil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumber of Mattress Coils\u003c\/th\u003e\n\u003ctd\u003e900\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMattress Base Compatibility\u003c\/th\u003e\n\u003ctd\u003eBox Spring, Slatted Base, Solid Foundation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eItem Dimensions L x W x Thickness\u003c\/th\u003e\n\u003ctd\u003e79\"L x 76\"W x 12\"Th\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eItem Thickness\u003c\/th\u003e\n\u003ctd\u003e12 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eItem Depth\u003c\/th\u003e\n\u003ctd\u003e12 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eItem Dimensions\u003c\/th\u003e\n\u003ctd\u003e79 x 76 x 12 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMattress Comfort Layer Material\u003c\/th\u003e\n\u003ctd\u003eLatex Foam, Memory foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial Type\u003c\/th\u003e\n\u003ctd\u003eMemory Foam, Latex, Coils\/Innersprings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpring Count\u003c\/th\u003e\n\u003ctd\u003eNearly 900 individually wrapped springs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Hawkins Woodshop","offers":[{"title":"Default Title","offer_id":54631097565494,"sku":"B0FC6T1HGM","price":384.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/9961\/1702\/files\/81oe4qOEWSL._SL1200.jpg?v=1790139561","url":"https:\/\/hawkins-woodshop.com\/products\/king-size-mattress-medium-firm-12-inch-hybrid-mattress-king-size-in-a-box-memory-foam-pocket-springs-for-back-pain-relief-fiberglass-free-motion-isolation-certipur-us-oeko-tex-certified","provider":"Hawkins Woodshop","version":"1.0","type":"link"}