{"product_id":"b0g4pc6tnl","title":"14 Inch King Size Mattress | The Feel Most Sleepers Prefer King Mattress Hybrid | Contouring Memory Foam Comfort \u0026 Balanced Support for Back and Side Sleepers – Medium-Firm | No Fiberglass","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e【Medium-Firm Feel That Fits Most Sleepers】We tuned the foam layers to avoid being too soft or too hard. During test sleep sessions, people of different body types felt supported without sinking, especially when switching from back to side. It’s a “safe choice” if you’re not sure what firmness you like.\u003c\/li\u003e\n\u003cli\u003e【Zoned Support That Helps Your Back Feel More Relaxed】The coils are firmer in the middle and softer around the shoulders. In testing, this design helped keep the lower back from dipping while allowing the upper body to settle comfortably. Users described it as “natural alignment without forcing my posture.”\u003c\/li\u003e\n\u003cli\u003e【Strong Edge Support for Real-Life Use】We reinforced the edge coils so the sides wouldn’t collapse when sitting or getting in and out of bed. Test sleepers said they felt more secure near the edges—important for couples who use the full width of a king mattress.\u003c\/li\u003e\n\u003cli\u003e【Low Motion Transfer for Couples】Each spring moves independently, which reduced movement felt during partner-motion tests. Sleepers noticed fewer disturbances when someone turned or got up—ideal for lighter sleepers.\u003c\/li\u003e\n\u003cli\u003eCertified Safe + 10-Year Warranty Made with CertiPUR-US certified foams, free from harmful chemicals. Your COMFBOX comes with a 10-year warranty and arrives vacuum-packed for easy setup. Let it fully expand within 72 hours and sleep easy knowing you’re protected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eOverview\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eBrand : COMFBOX\u003c\/li\u003e\n\u003cli\u003eSize : King\u003c\/li\u003e\n\u003cli\u003eProduct Dimensions : 80\"L x 76\"W x 14\"Th\u003c\/li\u003e\n\u003cli\u003eItem Weight : 74 Pounds\u003c\/li\u003e\n\u003cli\u003eItem Firmness Description : Medium Firm\u003c\/li\u003e\n\u003cli\u003eTop Style : Pillow Top\u003c\/li\u003e\n\u003cli\u003eNumber of Layers : 2\u003c\/li\u003e\n\u003cli\u003eFill Material : Gel Memory Foam, High Density Foam\u003c\/li\u003e\n\u003cli\u003eSpecial Feature : Enhanced Lumbar Support, Pressure Relief For Side SLeep, Reinforced Edge Support\u003c\/li\u003e\n\u003cli\u003eColor : White\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"COMFBOX","offers":[{"title":"Default Title","offer_id":47339190124722,"sku":"B0G4PC6TNL","price":430.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/8352\/7858\/files\/71UO1qiU1kL._AC_SX679.jpg?v=1777021517","url":"https:\/\/casa-ment.com\/products\/b0g4pc6tnl","provider":"CASAMENT","version":"1.0","type":"link"}