{"product_id":"queen-mattress-12-inch-soft-memory-foam-bed-mattress-in-a-box-medium-firm-hybrid-mattress-queen-size","title":"Queen Mattress 12 inch Soft Memory Foam Bed Mattress in a Box, Medium Firm Hybrid Mattress Queen Size","description":"\u003cul\u003e\n\u003cli\u003eAdvanced Hybrid Construction: Combines high-density memory foam and individually encased coils for contouring support and durable comfort.\u003c\/li\u003e\n\u003cli\u003eUltimate Motion Isolation: Pocketed spring system minimizes movement across the bed—ideal for light sleepers and couples.\u003c\/li\u003e\n\u003cli\u003ePressure Relief \u0026amp; Spinal Alignment: Medium-firm feel evenly distributes body weight to reduce pressure on shoulders, hips, and lower back.\u003c\/li\u003e\n\u003cli\u003eReinforced Edge Support: Strong perimeter coils prevent sagging, offering more usable sleep surface and long-term durability.\u003c\/li\u003e\n\u003cli\u003eCertified Safe \u0026amp; Easy Setup: CertiPUR-US certified materials ensure quality and safety. Delivered compressed in a box for easy setup, the mattress expands to full size within 48–72 hours. After undergoing over 100,000 pressure tests and nearly a year of development, this mattress is built to perform. Sleep with confidence—our team is ready to assist you with any concerns.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keenstone.com","offers":[{"title":"Default Title","offer_id":42383872000134,"sku":null,"price":389.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0083\/5872\/3647\/files\/542fb6a1-e357-4f42-9955-b628114e61ef.715ef19e8f0b50c0dcf809327b7ef345.jpg?v=1755158111","url":"https:\/\/keenstone.com\/products\/queen-mattress-12-inch-soft-memory-foam-bed-mattress-in-a-box-medium-firm-hybrid-mattress-queen-size","provider":"Keenstone.com","version":"1.0","type":"link"}