{"id":3197,"date":"2022-05-16T10:22:34","date_gmt":"2022-05-16T14:22:34","guid":{"rendered":"https:\/\/rpack.wpengine.com\/?post_type=product&#038;p=3197"},"modified":"2025-06-10T22:10:59","modified_gmt":"2025-06-11T02:10:59","slug":"marketing-kit-mailer-boxes","status":"publish","type":"product","link":"https:\/\/refinepackaging.com\/marketing-kit-mailer-boxes\/","title":{"rendered":"Durable Custom Marketing Kit Mailer Boxes"},"parent":0,"template":"","product-categories":[72,70,61],"class_list":["post-3197","product","type-product","status-publish","hentry","product-category-custom-promotional-presentation-boxes","product-category-custom-software-packaging-boxes","product-category-custom-subscription-packaging-boxes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v25.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Durable Custom Marketing Kit Mailer Boxes | Refine Packaging<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/refinepackaging.com\/marketing-kit-mailer-boxes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Durable Custom Marketing Kit Mailer Boxes\" \/>\n<meta property=\"og:url\" content=\"https:\/\/refinepackaging.com\/marketing-kit-mailer-boxes\/\" \/>\n<meta property=\"og:site_name\" content=\"Refine Packaging\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/RefinePackaging\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-11T02:10:59+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@RefinePackaging\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/refinepackaging.com\/marketing-kit-mailer-boxes\/\",\"url\":\"https:\/\/refinepackaging.com\/marketing-kit-mailer-boxes\/\",\"name\":\"Durable Custom Marketing Kit Mailer Boxes | Refine Packaging\",\"isPartOf\":{\"@id\":\"https:\/\/refinepackaging.com\/#website\"},\"datePublished\":\"2022-05-16T14:22:34+00:00\",\"dateModified\":\"2025-06-11T02:10:59+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/refinepackaging.com\/marketing-kit-mailer-boxes\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/refinepackaging.com\/marketing-kit-mailer-boxes\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/refinepackaging.com\/marketing-kit-mailer-boxes\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/refinepackaging.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Industries\",\"item\":\"https:\/\/refinepackaging.com\/industries\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Presentation &amp; 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