{"id":264728,"date":"2026-01-23T17:18:20","date_gmt":"2026-01-23T16:18:20","guid":{"rendered":"https:\/\/www.csj-emballages.com\/produit\/top-opening-cardboard-mailer-23-5-x-32-cm-390-g-m%c2%b2-pack-of-100\/"},"modified":"2026-04-03T02:12:18","modified_gmt":"2026-04-03T00:12:18","slug":"top-opening-cardboard-mailer-23-5-x-32-cm-390-g-m%c2%b2-pack-of-100","status":"publish","type":"product","link":"https:\/\/www.csj-emballages.com\/en\/produit\/top-opening-cardboard-mailer-23-5-x-32-cm-390-g-m%c2%b2-pack-of-100\/","title":{"rendered":"Top-Opening Cardboard Mailer 23.5 x 32 cm 390 g\/m\u00b2 (Pack of 100)"},"content":{"rendered":"<h2>Cardboard envelope<\/h2>\n<hr>\n<h3>Discover our top-opening cardboard mailer 23.5 x 32 cm 390 g\/m\u00b2 (pack of 100)<\/h3>\n<p><!--more--><\/p>\n<p data-start=\"275\" data-end=\"679\"><strong>The 23.5 x 32 cm 390 g\/m\u00b2 top-opening cardboard mailer<\/strong> is a robust and reliable packaging solution, ideal for shipping <strong>thick documents, catalogs, brochures, small flat items, or lightweight objects<\/strong> requiring enhanced protection. Firstly, its <strong>high-density micro-flute cardboard (390 g\/m\u00b2)<\/strong> design ensures exceptional rigidity and resistance, even during repeated shipments. <\/p>\n<p data-start=\"681\" data-end=\"1015\">Designed for e-commerce professionals, administrative services, or sensitive mailings, this envelope guarantees excellent protection against shocks, creases, and handling during transport. <strong>The top opening<\/strong> allows for quick and convenient filling, facilitating bulk shipment preparation.<\/p>\n<p data-start=\"1017\" data-end=\"1295\">Similarly, the integrated <strong>adhesive closure<\/strong> ensures a clean and secure seal, without the need for additional tape or adhesive. Thanks to its standard format of <strong>23.5 x 32 cm<\/strong>, it is suitable for <strong>folded A4 formats<\/strong>, catalogs, and a variety of flat contents without damage. <\/p>\n<p data-start=\"1297\" data-end=\"1544\">In summary, sold in packs of <strong>100 envelopes<\/strong>, it is a cost-effective and efficient solution for businesses, local authorities, or individuals looking to optimize shipping protection while simplifying their logistics operations.<\/p>\n<p data-start=\"1297\" data-end=\"1544\"><!--more--><\/p>\n<h4 data-start=\"1297\" data-end=\"1544\">Advantages :<\/h4>\n<ul>\n<li data-start=\"1582\" data-end=\"1639\"><strong data-start=\"1582\" data-end=\"1607\">Thick 390 g\/m\u00b2 cardboard<\/strong> for reinforced protection.<\/li>\n<li data-start=\"1642\" data-end=\"1715\"><strong data-start=\"1642\" data-end=\"1667\">Thanks to its 22.5 x 28.9 cm format,<\/strong> it is suitable for folded A4 documents and flat items.<\/li>\n<li data-start=\"1718\" data-end=\"1770\"><strong data-start=\"1718\" data-end=\"1742\">Top opening<\/strong> for easy filling.<\/li>\n<li data-start=\"1773\" data-end=\"1826\"><strong data-start=\"1773\" data-end=\"1804\">Integrated adhesive closure<\/strong> for speed and security.<\/li>\n<li data-start=\"1829\" data-end=\"1882\">Excellent resistance to deformation and impact.<\/li>\n<li data-start=\"1885\" data-end=\"1954\">Perfect for e-commerce, administrative mail, and sensitive shipments.<\/li>\n<li data-start=\"1957\" data-end=\"2000\">Sold in packs of <strong data-start=\"1980\" data-end=\"1998\">100 envelopes.<\/strong><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><!--more--><\/p>\n<h4>Other information :<\/h4>\n<ul>\n<li><strong>Packaging<\/strong>: Box of 100<\/li>\n<li><strong>Dimensions<\/strong>: 23.5 x 32 cm<\/li>\n<li><strong>Grammage<\/strong>: 390 g\/m2<\/li>\n<li><strong>Color<\/strong>: Brown<\/li>\n<li><strong>Material<\/strong>: Microflute cardboard<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><!--more--><\/p>\n<p>This padded envelope is available in different sizes: <span style=\"color: #d12727;\"><a style=\"color: #d12727;\" href=\"https:\/\/www.csj-emballages.com\/de\/produit\/versandtasche-aus-karton-oeffnung-schmale-seite-225-x-289-cm-390-g-m%c2%b2-100-stueck\/\">22.5 x 28.9 cm<\/a> <span style=\"color: #000000;\">\/<\/span> <a style=\"color: #d12727;\" href=\"https:\/\/www.csj-emballages.com\/de\/produit\/pappversandtasche-oeffnung-oben-275-x-352-cm-390-g-m%c2%b2-100-stueck\/\">27.5 x 35.2 cm<\/a> <span style=\"color: #000000;\">\/<\/span> <a style=\"color: #d12727;\" href=\"https:\/\/www.csj-emballages.com\/de\/produit\/kartonumschlag-mit-oberer-oeffnung-32-x-382-cm-390-g-m%c2%b2-100-stueck\/\">32 x 38.2 cm<\/a><\/span><\/p>\n<p>&nbsp;<\/p>\n<p><!--more--><\/p>\n<p><a href=\"https:\/\/www.csj-emballages.com\/en\/categorie-produit\/industrial-packaging\/shipping-pouches\/\">View the rest of our range of shipping pouches \/ envelopes<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cardboard envelope Discover our top-opening cardboard mailer 23.5 x 32 cm 390 g\/m\u00b2 (pack of 100)<\/p>\n","protected":false},"featured_media":264716,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[1133,8642,1210,1211],"product_tag":[],"class_list":{"0":"post-264728","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-food-packaging","7":"product_cat-good-plans","8":"product_cat-industrial-packaging","9":"product_cat-shipping-pouches","11":"first","12":"outofstock","13":"sale","14":"taxable","15":"shipping-taxable","16":"purchasable","17":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Top-Opening Cardboard Mailer 23.5 x 32 cm 390 g\/m\u00b2<\/title>\n<meta name=\"description\" content=\"Cardboard 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