{"product_id":"king-size-mattress-12-inch-hybrid-pressure-relief-mattress-in-a-box-cooling-gel-memory-foam-and-pocket-springs-medium-firm-breathable-fiberglass-free-1","title":"King Size Mattress, 12 Inch Hybrid Cooling Gel Memory Foam Medium Firm","description":"\u003cdiv\u003e\n\u003cp\u003eThis 12-inch hybrid mattress in a box combines cooling gel memory foam and individually wrapped pocket springs to deliver targeted relief and a comfortable night's sleep. Designed with a medium firm feel, it contours to the body to support proper spinal alignment while minimizing motion transfer between sleepers.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eHybrid Construction\u003c\/b\u003e: The 12-inch profile features cooling gel memory foam, zoned pressure-relief foam, and a high-density base coil system for durable, balanced support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMotion Isolation\u003c\/b\u003e: Individually wrapped coils absorb movement and reduce noise, ensuring undisturbed rest when a partner turns or pets move around the bed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReinforced Edge Support\u003c\/b\u003e: A strengthened perimeter prevents sagging and provides a stable, full-surface sleeping area that minimizes the risk of rolling off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAdvanced Cooling System\u003c\/b\u003e: A dual-layer cooling gel and breathable knitted fabric cover wick away heat and moisture to maintain a refreshing sleep environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePressure Relief Design\u003c\/b\u003e: Contouring memory foam layers relieve stress on high-tension areas like the hips and back, promoting deeper, restorative sleep.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSafe, Certified Materials\u003c\/b\u003e: Foams and fabrics are CertiPUR-US and OEKO-TEX certified, featuring a fiberglass-free fire barrier for healthy, eco-friendly use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEasy Box Setup\u003c\/b\u003e: Compressed in a compact box for hassle-free transport, it expands fully to a King size of 80\" x 76\" within 48 to 72 hours without tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh Weight Capacity\u003c\/b\u003e: Built to support up to 600 pounds of maximum load without compromising the internal structure or edge stability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis medium firm mattress in a box simplifies bedroom setup and elevates everyday rest. The breathable hybrid design keeps you cool and dry, while the reinforced edges and motion-absorbing coils create a stable, uninterrupted sanctuary for couples, light sleepers, or anyone seeking reliable back comfort and proper spinal support.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Simmerlyhome","offers":[{"title":"White \/ 12 \/ King (U.S. Standard)","offer_id":48670604198129,"sku":"B0HDCDCX4R","price":404.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/4719\/1793\/files\/4cc97f0efde2ad3f2e66ee900a7515e1.jpg?v=1788270624","url":"https:\/\/simmerlyhome.com\/products\/king-size-mattress-12-inch-hybrid-pressure-relief-mattress-in-a-box-cooling-gel-memory-foam-and-pocket-springs-medium-firm-breathable-fiberglass-free-1","provider":"Simmerlyhome","version":"1.0","type":"link"}