{"id":3173,"date":"2026-04-13T22:53:51","date_gmt":"2026-04-13T15:23:51","guid":{"rendered":"https:\/\/hanoiplasticbag.com\/en\/product\/\/"},"modified":"2026-04-13T22:53:51","modified_gmt":"2026-04-13T15:23:51","slug":"heavy-duty-custom-poly-mailers","status":"publish","type":"product","link":"https:\/\/hanoiplasticbag.com\/en\/product\/heavy-duty-custom-poly-mailers\/","title":{"rendered":"Heavy-Duty Custom Poly Mailers"},"content":{"rendered":"<h1 data-path-to-node=\"7\"><b data-path-to-node=\"7\" data-index-in-node=\"0\">Heavy-Duty Custom Poly Mailers: Maximum Protection for Global Logistics<\/b><\/h1>\n<p data-path-to-node=\"8\">In the world of international e-commerce, packaging durability is non-negotiable. <b data-path-to-node=\"8\" data-index-in-node=\"82\">Heavy-Duty Custom Poly Mailers<\/b> provide the ultimate shield for goods in transit, combining superior strength with professional branding.<\/p>\n<p data-path-to-node=\"9\">At <b data-path-to-node=\"9\" data-index-in-node=\"3\">HANOI PLASTIC BAG<\/b>, we manufacture high-performance mailing solutions tailored for large-scale distributors and logistics providers. <b data-path-to-node=\"9\" data-index-in-node=\"135\">Please note: We are a B2B manufacturer specializing in bulk orders and export; we do not offer retail sales.<\/b><\/p>\n<hr data-path-to-node=\"10\" \/>\n<h3 data-path-to-node=\"11\"><b data-path-to-node=\"11\" data-index-in-node=\"0\">Why &#8220;Heavy-Duty&#8221; Matters for Your Business<\/b><\/h3>\n<p data-path-to-node=\"12\">When shipping across continents to markets like the <b data-path-to-node=\"12\" data-index-in-node=\"52\">USA, EU, or Australia<\/b>, standard bags aren&#8217;t enough. Our heavy-duty mailers are engineered to solve the biggest pain points in logistics:<\/p>\n<ul data-path-to-node=\"13\">\n<li>\n<p data-path-to-node=\"13,0,0\"><b data-path-to-node=\"13,0,0\" data-index-in-node=\"0\">Unmatched Tear &amp; Puncture Resistance:<\/b> Made from multi-layer co-extruded film, these mailers can handle sharp edges and rough handling without bursting.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"13,1,0\"><b data-path-to-node=\"13,1,0\" data-index-in-node=\"0\">Weather-Proof Security:<\/b> 100% waterproof and moisture-resistant, ensuring products stay bone-dry regardless of the environment.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"13,2,0\"><b data-path-to-node=\"13,2,0\" data-index-in-node=\"0\">High-Visibility Colors:<\/b> From <b data-path-to-node=\"13,2,0\" data-index-in-node=\"29\">vibrant yellow<\/b> to classic white, our high-visibility options make packages easy to track and identify in busy sorting facilities.<\/p>\n<\/li>\n<li><span style=\"font-weight: 400;\">\ud83d\udc49 <\/span><i><span style=\"font-weight: 400;\">Read more on<\/span><\/i><a href=\"https:\/\/plasticseurope.org\/knowledge-hub\/plastics-explained\/\"> <i><span style=\"font-weight: 400;\">Plastics Explained<\/span><\/i><\/a><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<h3 data-path-to-node=\"3\"><b data-path-to-node=\"3\" data-index-in-node=\"0\">Technical Specifications: White Poly Bag Mailers<\/b><\/h3>\n<table data-path-to-node=\"4\">\n<thead>\n<tr>\n<td><strong>Feature<\/strong><\/td>\n<td><strong>Details<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"4,1,0,0\"><b data-path-to-node=\"4,1,0,0\" data-index-in-node=\"0\">Product Name<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,1,1,0\">White Poly Bag Mailer \/ Shipping Envelope<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"4,2,0,0\"><b data-path-to-node=\"4,2,0,0\" data-index-in-node=\"0\">Bag Type<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,2,1,0\">Co-extruded Poly Mailing Bag<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"4,3,0,0\"><b data-path-to-node=\"4,3,0,0\" data-index-in-node=\"0\">Closure<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,3,1,0\">Permanent Self-Adhesive Seal (Peel &amp; Seal)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"4,4,0,0\"><b data-path-to-node=\"4,4,0,0\" data-index-in-node=\"0\">Material<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,4,1,0\">High-grade LLDPE \/ LDPE (Recycled options available)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"4,5,0,0\"><b data-path-to-node=\"4,5,0,0\" data-index-in-node=\"0\">Thickness<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,5,1,0\">Customized (Standard 40 &#8211; 100 microns)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"4,6,0,0\"><b data-path-to-node=\"4,6,0,0\" data-index-in-node=\"0\">Size<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,6,1,0\">Fully Customized to client&#8217;s requirements<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"4,7,0,0\"><b data-path-to-node=\"4,7,0,0\" data-index-in-node=\"0\">Film Color<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,7,1,0\">White (External) \/ Grey or Black (Internal) for 100% Opacity<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"4,8,0,0\"><b data-path-to-node=\"4,8,0,0\" data-index-in-node=\"0\">Printing<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,8,1,0\">High-definition Gravure Printing (Up to 11 colors)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"4,9,0,0\"><b data-path-to-node=\"4,9,0,0\" data-index-in-node=\"0\">Features<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,9,1,0\">Water-proof, Tear-resistant, Puncture-resistant, Tamper-evident<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"4,10,0,0\"><b data-path-to-node=\"4,10,0,0\" data-index-in-node=\"0\">Usage<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,10,1,0\">E-commerce shipping for clothing, soft goods, documents, and non-fragile items<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"4,11,0,0\"><b data-path-to-node=\"4,11,0,0\" data-index-in-node=\"0\">Place of Origin<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,11,1,0\"><b data-path-to-node=\"4,11,1,0\" data-index-in-node=\"0\">Vietnam<\/b> (Tax benefits via EVFTA, UKVFTA, AAFTA)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"4,12,0,0\"><b data-path-to-node=\"4,12,0,0\" data-index-in-node=\"0\">MOQ<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,12,1,0\"><b data-path-to-node=\"4,12,1,0\" data-index-in-node=\"0\">100,000 pcs<\/b> (Specialized for Wholesale &amp; Export)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"4,13,0,0\"><b data-path-to-node=\"4,13,0,0\" data-index-in-node=\"0\">Packaging<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,13,1,0\">50 pcs\/bag, 500 pcs\/ctn or customized export standard<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"4,14,0,0\"><b data-path-to-node=\"4,14,0,0\" data-index-in-node=\"0\">Lead Time<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,14,1,0\">20GP: 15-20 days \/ 40GP: 20-25 days (After sample approval)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr data-path-to-node=\"14\" \/>\n<h3 data-path-to-node=\"15\"><b data-path-to-node=\"15\" data-index-in-node=\"0\">Wholesale Customization: Built to Your Specifications<\/b><\/h3>\n<p data-path-to-node=\"16\">As a leading Vietnam-based manufacturer, we offer complete flexibility for your <a href=\"https:\/\/hanoiplasticbag.com\/en\/category-product\/product-cat\/mailer-bag\"><b data-path-to-node=\"16\" data-index-in-node=\"80\">Wholesale Custom Shipping Bags<\/b><\/a> and mailing requirements:<\/p>\n<h4 data-path-to-node=\"17\"><b data-path-to-node=\"17\" data-index-in-node=\"0\">1. Full-Spectrum Color &amp; Printing<\/b><\/h4>\n<p data-path-to-node=\"18\">Whether you need a bold <b data-path-to-node=\"18\" data-index-in-node=\"24\">Yellow Poly Mailer<\/b> for brand recognition or a minimalist logo on a matte finish, our high-definition gravure printing (up to 11 colors) ensures your brand stands out on every doorstep.<\/p>\n<h4 data-path-to-node=\"19\"><b data-path-to-node=\"19\" data-index-in-node=\"0\">2. Advanced Technical Features<\/b><\/h4>\n<ul data-path-to-node=\"20\">\n<li>\n<p data-path-to-node=\"20,0,0\"><b data-path-to-node=\"20,0,0\" data-index-in-node=\"0\">Tamper-Evident Seals:<\/b> Ultra-strong permanent adhesive strips that prevent unauthorized access.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"20,1,0\"><b data-path-to-node=\"20,1,0\" data-index-in-node=\"0\">Opaque Privacy:<\/b> Multi-layer construction ensures the contents remain invisible from the outside.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"20,2,0\"><b data-path-to-node=\"20,2,0\" data-index-in-node=\"0\">Dual Adhesive Strips:<\/b> Optional &#8220;Returnable&#8221; strips to facilitate easy customer returns\u2014a key requirement for EU and US retailers.<\/p>\n<\/li>\n<\/ul>\n<h4 data-path-to-node=\"21\"><b data-path-to-node=\"21\" data-index-in-node=\"0\">3. Eco-Friendly Manufacturing<\/b><\/h4>\n<p data-path-to-node=\"22\">We support global sustainability goals by offering mailers made from <b data-path-to-node=\"22\" data-index-in-node=\"69\">recycled (PCR) materials<\/b> or biodegradable resins, allowing you to meet environmental regulations without compromising on &#8220;Heavy-Duty&#8221; performance.<\/p>\n<p data-path-to-node=\"22\"><strong>4<\/strong><b data-path-to-node=\"20\" data-index-in-node=\"0\">. Material Versatility<\/b><\/p>\n<ul data-path-to-node=\"21\">\n<li>\n<p data-path-to-node=\"21,0,0\"><b data-path-to-node=\"21,0,0\" data-index-in-node=\"0\">LDPE (Low-Density Polyethylene):<\/b>\u00a0For a soft, glossy, and premium feel.\u00a0\u00a0<a href=\"https:\/\/www.britannica.com\/science\/low-density-polyethylene\">Explore LDPE properties<\/a>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"21,1,0\"><b data-path-to-node=\"21,1,0\" data-index-in-node=\"0\">HDPE (High-Density Polyethylene):<\/b>\u00a0For a frosted, crinkly, and high-strength option.\u00a0<a href=\"https:\/\/www.britannica.com\/science\/high-density-polyethylene\">Explore HDPE properties<\/a>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"21,2,0\"><b data-path-to-node=\"21,2,0\" data-index-in-node=\"0\">Recycled Materials:<\/b>\u00a0We offer PCR (Post-Consumer Recycled) options to meet global sustainability targets.<\/p>\n<\/li>\n<\/ul>\n<hr data-path-to-node=\"23\" \/>\n<h3 data-path-to-node=\"24\"><b data-path-to-node=\"24\" data-index-in-node=\"0\">Your Strategic Manufacturing Partner in Vietnam<\/b><\/h3>\n<p data-path-to-node=\"25\">Sourcing your <b data-path-to-node=\"25\" data-index-in-node=\"14\">Heavy-Duty Custom Poly Mailers<\/b> from <b data-path-to-node=\"25\" data-index-in-node=\"50\">HANOI PLASTIC BAG<\/b> means choosing reliability and scale:<\/p>\n<ul data-path-to-node=\"26\">\n<li>\n<p data-path-to-node=\"26,0,0\"><b data-path-to-node=\"26,0,0\" data-index-in-node=\"0\">Zero Import Tax:<\/b> Take advantage of <b data-path-to-node=\"26,0,0\" data-index-in-node=\"35\">EVFTA, UKVFTA, and CPTPP<\/b> for 0% import duties in many international markets.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"26,1,0\"><b data-path-to-node=\"26,1,0\" data-index-in-node=\"0\">Bulk Capacity:<\/b> Our factory is optimized for high-volume runs with a standard <b data-path-to-node=\"26,1,0\" data-index-in-node=\"77\">MOQ of 100,000 pcs<\/b>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"26,2,0\"><b data-path-to-node=\"26,2,0\" data-index-in-node=\"0\">Direct Factory Pricing:<\/b> Cut out the trading companies and work directly with the source for the best wholesale rates.<\/p>\n<\/li>\n<\/ul>\n<hr data-path-to-node=\"27\" \/>\n<h3 data-path-to-node=\"28\"><b data-path-to-node=\"28\" data-index-in-node=\"0\">Request Your Wholesale Quote today<\/b><\/h3>\n<p data-path-to-node=\"29\">Elevate your shipping standards with the strongest <b data-path-to-node=\"29\" data-index-in-node=\"51\">Heavy-Duty Custom Poly Mailers<\/b> on the market. Let <b data-path-to-node=\"29\" data-index-in-node=\"101\">HANOI PLASTIC BAG<\/b> handle your large-scale production needs.<\/p>\n<p data-path-to-node=\"30\"><i data-path-to-node=\"30\" data-index-in-node=\"0\">Free samples are available for qualified B2B inquiries to test our material strength.<\/i><\/p>\n<p>\ud83d\udccd\u00a0<b>Website:<\/b>\u00a0<a href=\"http:\/\/hanoiplasticbag.com\/en\/\">hanoiplasticbag.com\/en\/<\/a><\/p>\n<p>\ud83d\udce9\u00a0<b>Email:<\/b>\u00a0<a href=\"mailto:info@hanoiplasticbag.com\"><span data-rich-links=\"{&quot;per_n&quot;:&quot;info@hanoiplasticbag.com&quot;,&quot;per_e&quot;:&quot;info@hanoiplasticbag.com&quot;,&quot;type&quot;:&quot;person&quot;}\">info@hanoiplasticbag.com<\/span><\/a><\/p>\n<p>\ud83d\udcde\u00a0<b>WhatsApp\/Viber:<\/b>(+84)914952038<\/p>\n","protected":false},"excerpt":{"rendered":"<table data-path-to-node=\"4\">\n<thead>\n<tr>\n<td><strong>Feature<\/strong><\/td>\n<td><strong>Details<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"4,1,0,0\"><b data-path-to-node=\"4,1,0,0\" data-index-in-node=\"0\">Product Name<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,1,1,0\">White Poly Bag Mailer \/ Shipping Envelope<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"4,2,0,0\"><b data-path-to-node=\"4,2,0,0\" data-index-in-node=\"0\">Bag Type<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,2,1,0\">Co-extruded Poly Mailing Bag<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"4,3,0,0\"><b data-path-to-node=\"4,3,0,0\" data-index-in-node=\"0\">Closure<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,3,1,0\">Permanent Self-Adhesive Seal (Peel &amp; Seal)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"4,4,0,0\"><b data-path-to-node=\"4,4,0,0\" data-index-in-node=\"0\">Material<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,4,1,0\">High-grade LLDPE \/ LDPE (Recycled options available)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"4,5,0,0\"><b data-path-to-node=\"4,5,0,0\" data-index-in-node=\"0\">Thickness<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,5,1,0\">Customized (Standard 40 &#8211; 100 microns)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"4,6,0,0\"><b data-path-to-node=\"4,6,0,0\" data-index-in-node=\"0\">Size<\/b><\/span><\/td>\n<td><span data-path-to-node=\"4,6,1,0\">Fully Customized to client&#8217;s requirements<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":3172,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[133],"product_tag":[],"class_list":{"0":"post-3173","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-mailer-bag","7":"entry","8":"clearfix","9":"hocwp-post","10":"author-truonglong","11":"has-excerpt","13":"first","14":"instock","15":"shipping-taxable","16":"purchasable","17":"product-type-simple"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/hanoiplasticbag.com\/en\/wp-json\/wp\/v2\/product\/3173","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hanoiplasticbag.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hanoiplasticbag.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/hanoiplasticbag.com\/en\/wp-json\/wp\/v2\/comments?post=3173"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hanoiplasticbag.com\/en\/wp-json\/wp\/v2\/media\/3172"}],"wp:attachment":[{"href":"https:\/\/hanoiplasticbag.com\/en\/wp-json\/wp\/v2\/media?parent=3173"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/hanoiplasticbag.com\/en\/wp-json\/wp\/v2\/product_brand?post=3173"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hanoiplasticbag.com\/en\/wp-json\/wp\/v2\/product_cat?post=3173"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hanoiplasticbag.com\/en\/wp-json\/wp\/v2\/product_tag?post=3173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}