{"product_id":"dumos-memory-foam-mattress-topper-king-size-3-gel-infused-cooling-removable-washable-cover","title":"DUMOS Memory Foam Mattress Topper King Size 3\" — Gel-Infused Cooling, Removable Washable Cover","description":"\u003cp\u003e\u003cstrong\u003eThe DUMOS 3-inch memory foam mattress topper for king beds adds a cooling gel layer and plush pressure relief to refresh an existing mattress without replacing it.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eUpgrade your sleep surface with a breathable, gel-infused memory foam pad designed to sit atop beds, sofas, or RV bunks. This king-size 3\" topper combines contouring support with a removable, washable cover and anti-slip fastenings so it stays secure overnight. The foam meets CertiPUR‑US standards for content and emissions, and the design balances softness with structural durability to extend mattress life and improve nightly comfort.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the topper keep me cooler during the night?\u003c\/h3\u003e\n\u003cp\u003eThe foam contains a cooling gel infusion that helps dissipate body heat compared with traditional solid memory foam. The cover is made from breathable polyester that encourages airflow, preventing heat buildup at the surface.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGel-infused foam draws heat away from contact points\u003c\/li\u003e\n  \u003cli\u003ePermeable cover fabric increases ventilation\u003c\/li\u003e\n  \u003cli\u003eThree-inch thickness balances insulation and airflow\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my king bed, sofa, or RV mattress?\u003c\/h3\u003e\n\u003cp\u003eThis topper is sized for a standard king mattress but is flexible enough for other flat sleeping platforms like sleeper sofas and RV bunks. Elastic straps and anti-slip backing hold the topper in place, reducing shifting and bunching even on thinner surfaces.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard king dimensions for full bed coverage\u003c\/li\u003e\n  \u003cli\u003eStrong elastic straps for secure attachment\u003c\/li\u003e\n  \u003cli\u003eAnti-skid backing for use on sofas and campers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow supportive is the 3-inch memory foam for pressure relief?\u003c\/h3\u003e\n\u003cp\u003eAt three inches thick, the DUMOS topper contours to body curves to relieve pressure at shoulders, hips, and lower back while still offering underlying support. It softens a firm mattress or refreshes a worn surface without creating a sink-in feeling that can interfere with alignment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdaptive memory foam contours to pressure points\u003c\/li\u003e\n  \u003cli\u003eMaintains structural support for spinal alignment\u003c\/li\u003e\n  \u003cli\u003eSuitable for side and back sleepers seeking extra cushioning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I care for and clean the topper?\u003c\/h3\u003e\n\u003cp\u003eThe cover unzips with a durable metal zipper for easy removal and machine washing, making routine cleaning simple. The foam core should be spot-cleaned and air-dried to preserve integrity; rotate the topper occasionally to even out wear.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemovable, machine-washable polyester cover\u003c\/li\u003e\n  \u003cli\u003eHigh-quality metal zipper for secure and easy removal\u003c\/li\u003e\n  \u003cli\u003eSpot-clean foam and allow full air drying before re-covering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The DUMOS 3-inch cooling memory foam topper is ideal for sleepers who want an affordable comfort boost without replacing their mattress. It suits people who overheat at night, those needing extra pressure relief for hips or shoulders, RV and camper travelers seeking better sleep on the road, and anyone wanting a washable, stay-put solution for a sofa bed. If you want a CertiPUR‑US certified foam layer that improves comfort, stabilizes sleep posture, and stays fresh with a removable cover, this topper is built for you.\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: Is the DUMOS topper machine washable?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—the removable polyester cover unzips with a metal zipper and can be machine washed; the foam core should be spot-cleaned and air-dried.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the 3\" foam feel too soft on my firm mattress?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The 3\" memory foam adds cushioning and pressure relief while retaining enough support to prevent excessive sinkage for most sleepers.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DUMOS","offers":[{"title":"Default Title","offer_id":49214358618331,"sku":"B0GNJLGYBG","price":139.76,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0845\/1188\/3483\/files\/dumos-topper-front-packaging_641b4bbc-fb8a-43a0-aedd-35b0751ef648.jpg?v=1788364830","url":"https:\/\/homelypantry.co.uk\/products\/dumos-memory-foam-mattress-topper-king-size-3-gel-infused-cooling-removable-washable-cover","provider":"The Homely Pantry","version":"1.0","type":"link"}