{"id":4371,"date":"2026-01-12T11:14:52","date_gmt":"2026-01-12T16:14:52","guid":{"rendered":"https:\/\/matelasexpert.s02.redboxstaging.com\/produit\/william-sofa-bed-mattress\/"},"modified":"2026-03-04T15:19:42","modified_gmt":"2026-03-04T20:19:42","slug":"william-sofa-bed-mattress","status":"publish","type":"product","link":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/","title":{"rendered":"William Sofa Bed Mattress"},"content":{"rendered":"<h2>5-Inch High-Density Foam Sofa Bed Mattress \u2013 Made in Quebec and Available Custom Size<\/h2>\n<p>The <strong>5-inch high-density foam sofa bed mattress<\/strong> is designed to offer superior comfort and lasting support, even in a compact format. <strong>100% made in Quebec<\/strong>, it is also <strong>available in custom sizes<\/strong>, to perfectly fit the specific dimensions of your sofa bed, Murphy bed, or multi-function furniture.<\/p>\n<hr \/>\n<h3>Enhanced Comfort and Support<\/h3>\n<p>Thanks to its <strong>high-density foam<\/strong>, this mattress ensures even weight distribution, effectively reducing pressure points. It offers better support than the standard mattresses often supplied with sofa beds, allowing for more comfortable sleep, both for occasional and regular use.<\/p>\n<hr \/>\n<h3>Ideal Format for Sofa Beds and Custom Dimensions<\/h3>\n<p>With its <strong>5-inch thickness<\/strong>, this mattress is perfectly adapted to sofa bed mechanisms. Its <strong>custom size option<\/strong> meets the particular needs linked to non-standard dimensions, ensuring a precise fit without compromising ease of folding or comfort once deployed.<\/p>\n<hr \/>\n<h3>Quality and Quebec Craftsmanship<\/h3>\n<p>Designed and <strong>made in Quebec<\/strong>, this mattress showcases local expertise and durable materials. Its robust construction guarantees excellent longevity and consistent support over time.<\/p>\n<hr \/>\n<h3>Why Choose This Sofa Bed Mattress?<\/h3>\n<ul>\n<li><strong>High-density<\/strong> foam for lasting support<\/li>\n<li><strong>5-inch<\/strong> thickness, ideal for sofa beds<\/li>\n<li><strong>Made in Quebec<\/strong><\/li>\n<li><strong>Available in custom sizes<\/strong><\/li>\n<li>Reduction of pressure points<\/li>\n<li>Superior comfort for guests or regular use<\/li>\n<li>Compatible with most sofa beds<\/li>\n<\/ul>\n<hr \/>\n<h3>A Practical, Comfortable, and Customizable Choice<\/h3>\n<p>The <strong>5-inch high-density foam sofa bed mattress<\/strong>, also available <strong>in custom sizes<\/strong>, is the ideal solution to transform your sofa bed into a truly comfortable sleeping space. Enjoy a local, durable product designed to your specific needs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong>5-Inch Sofa Bed Mattress \u2013 High-Density Foam, Made in Quebec<\/strong><\/p>\n<p>The <strong>5-inch high-density foam sofa bed mattress<\/strong>, <strong>made in Quebec<\/strong>, offers superior comfort and uniform support for a restful sleep. Designed to improve sofa bed comfort, it helps reduce pressure points and provides better stability than standard mattresses. Durable and compact, it is ideal for daily or occasional use.<\/p>\n","protected":false},"featured_media":3410,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"product_brand":[122],"product_cat":[277],"product_tag":[],"autre_caracteristiques":[393],"class_list":{"0":"post-4371","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-matelas-expert","7":"product_cat-mattress","8":"product_shipping_class-matelas","9":"autre_caracteristiques-firm","11":"first","12":"instock","13":"sale","14":"taxable","15":"shipping-taxable","16":"purchasable","17":"product-type-variable","18":"rtwpvs-product"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>William Sofa Bed Mattress | Matelas Expert<\/title>\n<meta name=\"description\" content=\"5-Inch Sofa Bed Mattress \u2013 High-Density Foam, Made in Quebec  The 5-inch high-density foam sofa bed mattress, made in Quebec, offers superior comfort and uniform support for a restful sleep. Designed to improve sofa bed comfort, it helps reduce pressure points and provides better stability than standard mattresses. Durable and compact, it is ideal for daily or occasional use.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"William Sofa Bed Mattress | Matelas Expert\" \/>\n<meta property=\"og:description\" content=\"5-Inch Sofa Bed Mattress \u2013 High-Density Foam, Made in Quebec  The 5-inch high-density foam sofa bed mattress, made in Quebec, offers superior comfort and uniform support for a restful sleep. Designed to improve sofa bed comfort, it helps reduce pressure points and provides better stability than standard mattresses. Durable and compact, it is ideal for daily or occasional use.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/\" \/>\n<meta property=\"og:site_name\" content=\"Matelas Expert\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Matelasexpert\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-04T20:19:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/matelasexpert.s02.redboxstaging.com\/wp-content\/uploads\/2026\/03\/matelas-william-1-1.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1441\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/\",\"url\":\"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/\",\"name\":\"William Sofa Bed Mattress | Matelas Expert\",\"isPartOf\":{\"@id\":\"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/matelasexpert.s02.redboxstaging.com\/wp-content\/uploads\/2026\/03\/matelas-william-1-1.webp\",\"datePublished\":\"2026-01-12T16:14:52+00:00\",\"dateModified\":\"2026-03-04T20:19:42+00:00\",\"description\":\"5-Inch Sofa Bed Mattress \u2013 High-Density Foam, Made in Quebec The 5-inch high-density foam sofa bed mattress, made in Quebec, offers superior comfort and uniform support for a restful sleep. Designed to improve sofa bed comfort, it helps reduce pressure points and provides better stability than standard mattresses. Durable and compact, it is ideal for daily or occasional use.\",\"breadcrumb\":{\"@id\":\"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/#primaryimage\",\"url\":\"https:\/\/matelasexpert.s02.redboxstaging.com\/wp-content\/uploads\/2026\/03\/matelas-william-1-1.webp\",\"contentUrl\":\"https:\/\/matelasexpert.s02.redboxstaging.com\/wp-content\/uploads\/2026\/03\/matelas-william-1-1.webp\",\"width\":1441,\"height\":1080},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/shop\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"William Sofa Bed Mattress\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/#website\",\"url\":\"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/\",\"name\":\"Matelas Expert\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"William Sofa Bed Mattress | Matelas Expert","description":"5-Inch Sofa Bed Mattress \u2013 High-Density Foam, Made in Quebec  The 5-inch high-density foam sofa bed mattress, made in Quebec, offers superior comfort and uniform support for a restful sleep. Designed to improve sofa bed comfort, it helps reduce pressure points and provides better stability than standard mattresses. Durable and compact, it is ideal for daily or occasional use.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/","og_locale":"en_US","og_type":"article","og_title":"William Sofa Bed Mattress | Matelas Expert","og_description":"5-Inch Sofa Bed Mattress \u2013 High-Density Foam, Made in Quebec  The 5-inch high-density foam sofa bed mattress, made in Quebec, offers superior comfort and uniform support for a restful sleep. Designed to improve sofa bed comfort, it helps reduce pressure points and provides better stability than standard mattresses. Durable and compact, it is ideal for daily or occasional use.","og_url":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/","og_site_name":"Matelas Expert","article_publisher":"https:\/\/www.facebook.com\/Matelasexpert","article_modified_time":"2026-03-04T20:19:42+00:00","og_image":[{"width":1441,"height":1080,"url":"https:\/\/matelasexpert.s02.redboxstaging.com\/wp-content\/uploads\/2026\/03\/matelas-william-1-1.webp","type":"image\/webp"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/","url":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/","name":"William Sofa Bed Mattress | Matelas Expert","isPartOf":{"@id":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/#primaryimage"},"image":{"@id":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/#primaryimage"},"thumbnailUrl":"https:\/\/matelasexpert.s02.redboxstaging.com\/wp-content\/uploads\/2026\/03\/matelas-william-1-1.webp","datePublished":"2026-01-12T16:14:52+00:00","dateModified":"2026-03-04T20:19:42+00:00","description":"5-Inch Sofa Bed Mattress \u2013 High-Density Foam, Made in Quebec The 5-inch high-density foam sofa bed mattress, made in Quebec, offers superior comfort and uniform support for a restful sleep. Designed to improve sofa bed comfort, it helps reduce pressure points and provides better stability than standard mattresses. Durable and compact, it is ideal for daily or occasional use.","breadcrumb":{"@id":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/#primaryimage","url":"https:\/\/matelasexpert.s02.redboxstaging.com\/wp-content\/uploads\/2026\/03\/matelas-william-1-1.webp","contentUrl":"https:\/\/matelasexpert.s02.redboxstaging.com\/wp-content\/uploads\/2026\/03\/matelas-william-1-1.webp","width":1441,"height":1080},{"@type":"BreadcrumbList","@id":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/product\/william-sofa-bed-mattress\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/shop\/"},{"@type":"ListItem","position":3,"name":"William Sofa Bed Mattress"}]},{"@type":"WebSite","@id":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/#website","url":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/","name":"Matelas Expert","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/wp-json\/wp\/v2\/product\/4371","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/wp-json\/wp\/v2\/comments?post=4371"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/wp-json\/wp\/v2\/media\/3410"}],"wp:attachment":[{"href":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/wp-json\/wp\/v2\/media?parent=4371"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/wp-json\/wp\/v2\/product_brand?post=4371"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/wp-json\/wp\/v2\/product_cat?post=4371"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/wp-json\/wp\/v2\/product_tag?post=4371"},{"taxonomy":"autre_caracteristiques","embeddable":true,"href":"https:\/\/matelasexpert.s02.redboxstaging.com\/en\/wp-json\/wp\/v2\/autre_caracteristiques?post=4371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}