{"product_id":"rhyme-source-4-5-inch-cold-gel-memory-foam-mattress-queen-size-certipur-us-certified","title":"Rhyme Source 4.5-Inch Cold Gel Memory Foam Mattress — Queen Size, CertiPUR-US Certified","description":"\u003cp\u003eMeet the Rhyme Source 4.5-Inch Cold Gel Memory Foam Mattress Replacement, crafted for sleeper sofas and couch beds. This queen-size layer blends a supportive base with a cooling memory foam top, designed to fit standard pull-out frames while staying compact enough to keep living spaces open. Note: sofa not included.\u003c\/p\u003e\n\n\u003ch3\u003eCooling comfort that adapts to you\u003c\/h3\u003e\n\u003cp\u003eThe gel memory foam layer is engineered to dissipate heat and reduce surface temperature, helping you feel cooler as you drift into rest. A high-density polyurethane base underpins the surface, delivering stable support that stays consistent over time.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eQueen size measures 72\" L x 58\" W x 4.5\" H, a practical fit for most sleeper sofas.\u003c\/li\u003e\n  \u003cli\u003eGel memory foam plus a firm base balance contouring with reliable support.\u003c\/li\u003e\n  \u003cli\u003eVacuum-packed for easy transport; allow 24–72 hours for the mattress to regain full shape.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDurable design you can rely on\u003c\/h3\u003e\n\u003cp\u003eThe foam layer is designed for durability and long-lasting comfort, with certifications that emphasize safe, high-quality materials. The mattress retains its shape and resilience, offering steady support night after night without promising guaranteed results.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHigh-density memory foam core enhances longevity and maintains contouring over time.\u003c\/li\u003e\n  \u003cli\u003eCompatible with a range of furniture, boats, campers, and RVs for flexible sleeping options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVersatile use, wherever you sleep\u003c\/h3\u003e\n\u003cp\u003eThis mattress can be placed directly on the floor or on compatible sofa bed frames, expanding sleeping arrangements in living rooms, guest areas, or mobile setups. Its 4.5\" profile adds comfort without excessive height, making it a practical upgrade for multi-use spaces.\u003c\/p\u003e\n\n\u003cp\u003eWhat you gain is a cooler, more supportive surface that adapts to your daily rhythms. The design aims to enhance your existing setup without overpromising outcomes, offering possibilities for better rest in places you use most.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the dimensions of the Rhyme Source 4.5-Inch Cold Gel Memory Foam Mattress?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Queen size: 72 inches long by 58 inches wide, 4.5 inches thick.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this mattress suitable for use on sleeper sofas, boats, or RVs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, its flexible design fits various furniture and portable setups; vacuum-packed for easy transport and quick setup.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Rhyme source","offers":[{"title":"Default Title","offer_id":51684374118717,"sku":"B0CLV7G91M","price":213.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/7874\/8989\/files\/rhyme-source-4-5-inch-cold-gel-memory-foam-mattress-queen-size.jpg?v=1778249350","url":"https:\/\/loftwyn.com\/products\/rhyme-source-4-5-inch-cold-gel-memory-foam-mattress-queen-size-certipur-us-certified","provider":"loftwyn","version":"1.0","type":"link"}