{"product_id":"millennium-20-foam-12-inch-california-king-mattress","title":"Millennium 2.0 Foam 12 Inch California King Mattress","description":"Discover the luxury of this memory foam California king mattress. Temperature-regulating material in the stretch knit cover keeps you at a comfortable temperature all night long. Gel memory foam and high-density support foam conform to your body, delivering pressure relief and comfort. And a green tea-infused support foam base provides enhanced stability.\u003cbr\u003e\u003cbr\u003e\u003ch1\u003eSpecifications\u003c\/h1\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e12in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e83.5in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e72in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eComfort level: firm, Dual cooling action with phase changing material (PCM), High-density gel memory foam for lumbar support, High-density body contouring support foam, Green tea-infused base foam for added stability, Hyper Cool luxury 4-way stretch knit cover for uniform comfort \u0026amp; durability, Adjustable base compatible, 10-year non-prorated warranty, Note: Purchasing mattress and foundation from two different brands may void warranty; see warranty for details, Foundation\/box spring sold separately, Mattress ships in a box; please allow 48 hours for your mattress to fully expand after opening, State recycling fee may apply, Made in USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLifestyle\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eTraditional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e84''W x 72''D x 12''H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight_unit\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003ePound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c!-- Description rendered at: 2026-05-17 17:50:19 --\u003e","brand":"Sierra Sleep® by Ashley","offers":[{"title":"Default Title","offer_id":47668012318944,"sku":"M31151","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/5725\/5648\/files\/studio_69ef9ec94b6ff6587181777315033.jpg?v=1777570210","url":"https:\/\/www.walkermattress.com\/products\/millennium-20-foam-12-inch-california-king-mattress","provider":"Walker Mattress, Furniture \u0026 Appliance","version":"1.0","type":"link"}