{"id":2005,"date":"2025-12-05T12:29:41","date_gmt":"2025-12-05T12:29:41","guid":{"rendered":"https:\/\/hamzaplastics.com\/?p=2005"},"modified":"2025-12-05T12:29:43","modified_gmt":"2025-12-05T12:29:43","slug":"eva-vs-pva-vs-ld-how-to-pick-the-perfect-zip-lock-or-courier-bag-for-your-product-and-budget","status":"publish","type":"post","link":"https:\/\/hamzaplastics.com\/index.php\/2025\/12\/05\/eva-vs-pva-vs-ld-how-to-pick-the-perfect-zip-lock-or-courier-bag-for-your-product-and-budget\/","title":{"rendered":"EVA vs. PVA vs. LD: How to Pick the Perfect Zip-Lock or Courier Bag for Your Product (and Budget)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">You\u2019ve spent months perfecting your spice blend, cosmetic serum, or handmade jewelry. Now you need a bag that:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Shows it off (or hides it just enough)<\/li>\n\n\n\n<li>Keeps it fresh<\/li>\n\n\n\n<li>Doesn\u2019t kill your margins<\/li>\n\n\n\n<li>Ships on time<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">We extrude <strong class=\"\">100 000 pieces a day<\/strong> in three main resins\u2014EVA, PVA and LD\u2014so we wrote this quick guide to help you choose the right one <strong>without a chemistry degree<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>EVA (Ethylene-Vinyl Acetate) \u2013 \u201cThe Display King\u201d<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong class=\"\">What it is<\/strong><br>A crystal-clear, food-grade polymer with a glossy face and a soft \u201chand-feel.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong class=\"\">Best for<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Jewelry, dried fruit, cosmetics, stationery\u2014anything you want customers to see at a glance.<\/li>\n\n\n\n<li>Amazon &amp; retail shelves where visual appeal = add-to-cart.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Specs we run<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Thickness: 0.08 mm \u2013 0.18 mm<\/li>\n\n\n\n<li>Zip cycles: >1 000 (tested)<\/li>\n\n\n\n<li>Print: 8-colour flexo, 1 200 dpi, full-coverage flood or spot.<\/li>\n\n\n\n<li>Heat-seal: yes, above the zip for tamper-evidence.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cost index<\/strong><br>100 (our baseline).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Eco note<\/strong><br>Recyclable #4, BPA- &amp; PVC-free; we re-granulate all trim waste.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>PVA (Poly-Vinyl Alcohol) \u2013 \u201cThe Green Warrior\u201d<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What it is<\/strong><br>A biodegradable, water-soluble film that dissolves in 70 \u00b0C water or industrial compost.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong class=\"\">Best for<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Detergent pods, agro-chemicals, dye stuffs\u2014anything you want to drop straight into a tank or washer.<\/li>\n\n\n\n<li>Brands chasing ESG scores or single-use plastic bans.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Specs we run<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Thickness: 0.06 mm \u2013 0.12 mm<\/li>\n\n\n\n<li>Dissolution: &lt;90 s at 70 \u00b0C<\/li>\n\n\n\n<li>Zip: biodegradable mono-filament, same break-down rate.<\/li>\n\n\n\n<li>Print: water-based inks, no solvent.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cost index<\/strong><br>\u2248 180 (higher resin price, but you save on disposal fees).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Eco note<\/strong><br>Leaves only CO\u2082 and H\u2082O\u2014no micro-plastics.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>LD (Low-Density Polyethylene) \u2013 \u201cThe Workhorse\u201d<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What it is<\/strong><br>The familiar grey-on-white courier flyer or plain poly bag\u2014tough, cheap, printable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Best for<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>E-commerce shipping, apparel returns, parts storage.<\/li>\n\n\n\n<li>Scenarios where clarity isn\u2019t needed but tear-resistance is.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Specs we run<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Thickness: 55 \u03bc &amp; 65 \u03bc (co-ex, grey inside)<\/li>\n\n\n\n<li>Permanent hot-melt tape: >3 kg shear force<\/li>\n\n\n\n<li>Print: 1-3 colour flexo, 100 line-screen.<\/li>\n\n\n\n<li>Custom sizes: 3\u00d75 cm to 18\u00d724 cm, MOQ 5 k.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Cost index<\/strong><br>\u2248 60 (cheapest of the trio).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong class=\"\">Eco note<\/strong><br>Recyclable #4; we offer 30 % post-consumer blend on request.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Quick-Selection Cheat Sheet<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Need clarity? \u2192 <strong>EVA<\/strong><br>Need compostability? \u2192 <strong class=\"\">PVA<\/strong><br>Need lowest cost + opacity? \u2192 <strong class=\"\">LD<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Black-Friday Sweetener (Until 31 Dec 2025)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Order <strong>any 50 000 mixed pieces<\/strong> and get:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>FREE plate change (worth PKR 28 000)<\/li>\n\n\n\n<li>75 % off freight to Karachi, Lahore or Islamabad<\/li>\n\n\n\n<li>5-day dispatch guarantee or we pay the air-freight<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Ready to lock it in?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">WhatsApp your size + artwork to <strong>+92 321 8666145<\/strong> and we\u2019ll send a free sample pack within 24 h. Because when your package is this clear, your brand can\u2019t help but shine.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2006,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2005","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/hamzaplastics.com\/wp-content\/uploads\/2025\/12\/WhatsApp-Image-2025-11-28-at-9.37.15-PM-1.webp","_links":{"self":[{"href":"https:\/\/hamzaplastics.com\/index.php\/wp-json\/wp\/v2\/posts\/2005","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hamzaplastics.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hamzaplastics.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hamzaplastics.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hamzaplastics.com\/index.php\/wp-json\/wp\/v2\/comments?post=2005"}],"version-history":[{"count":1,"href":"https:\/\/hamzaplastics.com\/index.php\/wp-json\/wp\/v2\/posts\/2005\/revisions"}],"predecessor-version":[{"id":2007,"href":"https:\/\/hamzaplastics.com\/index.php\/wp-json\/wp\/v2\/posts\/2005\/revisions\/2007"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hamzaplastics.com\/index.php\/wp-json\/wp\/v2\/media\/2006"}],"wp:attachment":[{"href":"https:\/\/hamzaplastics.com\/index.php\/wp-json\/wp\/v2\/media?parent=2005"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hamzaplastics.com\/index.php\/wp-json\/wp\/v2\/categories?post=2005"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hamzaplastics.com\/index.php\/wp-json\/wp\/v2\/tags?post=2005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}