{"product_id":"knox-firm-king-mattress","title":"Knox Firm King Mattress","description":"\u003cp\u003eThe Serta Quilted Perfect Sleeper X Knox Firm Mattress combines timeless quilted comfort with modern sleep technology. Its firm surface provides an inviting, cushioned feel, while graphite-infused memory foam actively works to dissipate heat and maintain a cooler sleeping environment throughout the night. The thoughtfully engineered construction delivers responsive support paired with pressure-relieving comfort, making it an excellent choice for side sleepers and those seeking a softer mattress experience. Wake refreshed and rejuvenated with the Perfect Sleeper X's balanced blend of classic comfort and contemporary cooling innovation.\u003c\/p\u003e","brand":"Perfect Sleeper X","offers":[{"title":"Default Title","offer_id":47776789135611,"sku":"1004 6\/6M","price":1899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0788\/1497\/0107\/files\/24_Serta_PerfectSleeperX_QuiltedPDP_FullRoom_L1KnoxPL_2000x2000_7e1cdc29-80ab-48e7-a35b-c512850c03ec.jpg?v=1768510367","url":"https:\/\/www.metromattress.com\/products\/knox-firm-king-mattress","provider":"Metro Mattress","version":"1.0","type":"link"}