{"id":903,"date":"2026-05-14T16:27:01","date_gmt":"2026-05-14T15:27:01","guid":{"rendered":"http:\/\/seamlessbio.de\/?page_id=903"},"modified":"2026-07-02T22:17:33","modified_gmt":"2026-07-02T21:17:33","slug":"2d-vs-3d-bioprocess-bags-guide-2","status":"publish","type":"page","link":"https:\/\/seamlessbio.de\/de\/2d-vs-3d-bioprocess-bags-guide-2\/","title":{"rendered":"2D vs. 3D Bioprocess Bags \u2014 Selection Guide"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"903\" class=\"elementor elementor-903\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-595ce5e e-con e-atomic-element e-flexbox-base e-0be027d \" data-id=\"595ce5e\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"595ce5e\" data-e-type=\"e-flexbox\" data-id=\"595ce5e\">\n    \t\t<div class=\"elementor-element elementor-element-a558980 elementor-widget elementor-widget-html\" data-id=\"a558980\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!--\nYOAST SEO \u00b7 Slug: \/products\/single-use-bioprocessing\/2d-vs-3d-bioprocess-bags-guide\/\nSEO Title: 2D vs. 3D Bioprocessing Bags | Selection Guide | SeamlessBio\nMeta Desc: 2D vs 3D single-use bioprocessing bag selection guide \u2014 when to use pillow bags vs bioreactor bags. Media prep, buffer storage, cell culture and mixing applications. SeamlessBio.\n-->\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/www.seamlessbio.de\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Single-Use Bioprocessing\", \"item\": \"https:\/\/www.seamlessbio.de\/products\/single-use-bioprocessing\/\"}]},{\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\": \"Question\", \"name\": \"What is the difference between 2D and 3D bioprocessing bags?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"2D bags (pillow\/flat bags) are flexible two-dimensional containers used for media preparation, buffer storage, liquid transfer and mixing \\u2014 they lie flat and are not designed for active aeration or agitation during cell culture. 3D bags are three-dimensional bioreactor bags designed for cell culture and fermentation with aeration spargers, mixing impellers or rocking motion and multiple port configurations for gas and liquid management.\"}}, {\"@type\": \"Question\", \"name\": \"When should I use a 2D bag instead of a 3D bioreactor bag?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Use 2D bags for: media preparation and storage, buffer preparation and hold, liquid transfer between process steps, final product storage before fill-finish, and any application where the bag is filled, stored and emptied without active cell culture. Use 3D bags for: fed-batch or perfusion cell culture, viral vector production, vaccine bioreactor runs, and any application requiring active gas exchange and mixing during culture.\"}}, {\"@type\": \"Question\", \"name\": \"What volumes are available for 2D and 3D bags?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"2D bags: 150 mL to 200+ L. 3D bioreactor bags: 1L to 200+ L depending on configuration. Rocker\/wave bags: 10L, 20L and 50L for wave-motion bioreactor platforms. All sizes USP Class VI, gamma-sterilised.\"}}]}]}<\/script>\n<div class=\"sbp-page\"><div class=\"sbp-wrap\">\n<nav class=\"sbp-bc\"><a href=\"https:\/\/www.seamlessbio.de\/\">Home<\/a><span>\/<\/span><a href=\"https:\/\/www.seamlessbio.de\/products\/single-use-bioprocessing\/\">Single-Use Bioprocessing<\/a><span>\/<\/span><strong>2D vs. 3D Guide<\/strong><\/nav>\n<div class=\"sbp-hero\">\n  <span class=\"sbp-eyebrow\">Selection Guide \u00b7 Single-Use Bioprocessing \u00b7 2D \u00b7 3D \u00b7 Rocker Bags<\/span>\n  <h1>2D vs. 3D Bioprocessing Bags \u2014 Complete Selection Guide<\/h1>\n  <p>Choosing the right single-use bag format is the foundation of an efficient bioprocessing workflow. This guide covers the key differences between 2D pillow bags, 3D bioreactor bags and rocker bags \u2014 with application-specific recommendations for every step of your upstream process.<\/p>\n  <div class=\"sbp-tags\"><span>2D Pillow Bags<\/span><span>3D Bioreactor Bags<\/span><span>Rocker \/ Wave Bags<\/span><span>USP Class VI<\/span><span>Gamma-Sterilised<\/span><\/div>\n  <div class=\"sbp-btns\">\n    <a href=\"https:\/\/www.seamlessbio.de\/products\/single-use-bioprocessing\/\" class=\"sbp-btn\">View All Bioprocessing<\/a>\n    <a href=\"https:\/\/www.seamlessbio.de\/about-us\/contact-imprint\/\" class=\"sbp-btn-o\">Contact Us<\/a>\n  <\/div>\n<\/div>\n\n<div class=\"sbp-section\">\n<h2 class=\"sbp-h2\">Quick Decision: Which Bag Format Do I Need?<\/h2>\n<table class=\"sbp-table\">\n<tr><th>Application<\/th><th>Correct Format<\/th><th>Why<\/th><\/tr>\n<tr><td>Media preparation & storage<\/td><td>2D Bag<\/td><td>No aeration needed; flat pillow format stable for fill and hold<\/td><\/tr>\n<tr><td>Buffer preparation & hold<\/td><td>2D Bag<\/td><td>Simple fill, mix, store, drain \u2014 no sparger or impeller required<\/td><\/tr>\n<tr><td>Liquid transfer between steps<\/td><td>2D Bag<\/td><td>Flexible, portable, closed system for aseptic transfer<\/td><\/tr>\n<tr><td>Fed-batch cell culture (CHO, HEK293)<\/td><td>3D Bioreactor Bag<\/td><td>Requires gas sparger, dissolved oxygen control and mixing<\/td><\/tr>\n<tr><td>Viral vector production (AAV, LV)<\/td><td>3D Bioreactor Bag<\/td><td>High cell density requires active O2 supply and mixing<\/td><\/tr>\n<tr><td>Vaccine bioreactor runs<\/td><td>3D Bioreactor Bag<\/td><td>Vero, MDCK and BHK cells require bioreactor-grade bag<\/td><\/tr>\n<tr><td>Small-scale cell culture (dev\/R&D)<\/td><td>Rocker \/ Wave Bag<\/td><td>10\u201350L wave motion; low shear; ideal for T-cell and MSC expansion<\/td><\/tr>\n<tr><td>CAR-T & T-cell expansion<\/td><td>Rocker Bag (10\u201350L)<\/td><td>Low shear wave motion protects sensitive T-cells<\/td><\/tr>\n<tr><td>MSC expansion<\/td><td>Rocker Bag or 3D Bag<\/td><td>Depends on scale; rocker for development, 3D for production scale<\/td><\/tr>\n<tr><td>Final product hold \/ fill-finish prep<\/td><td>2D Bag<\/td><td>Closed, sterile hold vessel before formulation and filling<\/td><\/tr>\n<tr><td>Large volume storage (200L\u20131000L)<\/td><td>2D Bag + Container System<\/td><td>2D bag in stainless steel container for structural support and mobility<\/td><\/tr>\n<\/table>\n<\/div>\n\n<div class=\"sbp-alt\">\n<h2 class=\"sbp-h2\">2D vs. 3D \u2014 Detailed Comparison<\/h2>\n<div class=\"sbp-grid-2\">\n<div class=\"sbp-compare-col\">\n  <h3>2D Bioprocessing Bags<\/h3>\n  <span class=\"sbp-sub\">Pillow \/ Flat Bag \u00b7 Media \u00b7 Buffer \u00b7 Storage \u00b7 Transfer<\/span>\n  <p>Two-dimensional flat bag \u2014 sealed on all sides with port connections for filling, sampling and draining. Lies flat when filled. Simple, reliable, cost-effective for non-cell-culture applications.<\/p>\n  <div class=\"sbp-compare-feat\">Available 150 mL to 200+ L<\/div>\n  <div class=\"sbp-compare-feat\">No sparger, no impeller \u2014 storage format<\/div>\n  <div class=\"sbp-compare-feat\">USP Class VI polyethylene film<\/div>\n  <div class=\"sbp-compare-feat\">Gamma-sterilised, integrity-tested per batch<\/div>\n  <div class=\"sbp-compare-feat\">Single or multiple port configurations<\/div>\n  <div class=\"sbp-compare-feat\">Compatible with container system (200L\u20131000L)<\/div>\n  <div class=\"sbp-compare-feat\">CoA + integrity certificate per lot<\/div>\n  <div class=\"sbp-verdict\">Best for: Media prep \u00b7 Buffer storage \u00b7 Liquid transfer \u00b7 Final product hold<\/div>\n<\/div>\n<div class=\"sbp-compare-col\">\n  <h3>3D Bioreactor Bags<\/h3>\n  <span class=\"sbp-sub\">3D Format \u00b7 Cell Culture \u00b7 Fermentation \u00b7 Aeration \u00b7 Mixing<\/span>\n  <p>Three-dimensional bag designed to stand upright during cell culture with active gas supply, mixing and temperature control. Multiple ports for gas-in, gas-out, sampling, feeding and harvest.<\/p>\n  <div class=\"sbp-compare-feat\">Available 1L to 200+ L<\/div>\n  <div class=\"sbp-compare-feat\">Integrated sparger for O2\/CO2 supply<\/div>\n  <div class=\"sbp-compare-feat\">USP Class VI film \u2014 culture-grade<\/div>\n  <div class=\"sbp-compare-feat\">Gamma-sterilised, integrity-tested per batch<\/div>\n  <div class=\"sbp-compare-feat\">Multiple port configurations: gas, liquid, sample<\/div>\n  <div class=\"sbp-compare-feat\">Compatible with standard bioreactor control systems<\/div>\n  <div class=\"sbp-compare-feat\">CoA + integrity certificate per lot<\/div>\n  <div class=\"sbp-verdict\">Best for: CHO\/HEK293 culture \u00b7 AAV \u00b7 Vaccines \u00b7 High cell density fermentation<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<div class=\"sbp-section\">\n<h2 class=\"sbp-h2\">Rocker \/ Wave Bags \u2014 The Third Format<\/h2>\n<p class=\"sbp-intro\">Rocker bags are a specialised single-use format for wave-motion bioreactor platforms \u2014 ideal for applications requiring low shear stress during culture, particularly T-cell expansion, MSC culture and small-scale viral vector production.<\/p>\n<div class=\"sbp-grid-3\">\n<div class=\"sbp-card\"><h3>10L Rocker Bag<\/h3><p>Development scale \u2014 process development, small batches, T-cell activation and initial scale-up from flask to bag culture.<\/p><\/div>\n<div class=\"sbp-card\"><h3>20L Rocker Bag<\/h3><p>Intermediate scale \u2014 CAR-T T-cell expansion, MSC expansion and viral vector development batches.<\/p><\/div>\n<div class=\"sbp-card\"><h3>50L Rocker Bag<\/h3><p>Production scale \u2014 CAR-T manufacturing campaigns, MSC GMP batches and viral vector pilot-scale runs.<\/p><\/div>\n<\/div>\n<table class=\"sbp-table\" style=\"margin-top:20px\">\n<tr><th>Parameter<\/th><th>Rocker \/ Wave Bag<\/th><th>3D Bioreactor Bag<\/th><\/tr>\n<tr><td>Mixing mechanism<\/td><td>Wave motion (rocking platform)<\/td><td>Sparger + impeller or magnetic stirring<\/td><\/tr>\n<tr><td>Shear stress<\/td><td>Very low \u2014 gentle mixing<\/td><td>Higher \u2014 standard impeller mixing<\/td><\/tr>\n<tr><td>Best cell types<\/td><td>T-cells, MSCs, stem cells (shear-sensitive)<\/td><td>CHO, HEK293, Vero, BHK (robust cell lines)<\/td><\/tr>\n<tr><td>Scale<\/td><td>10L, 20L, 50L<\/td><td>1L to 200+ L<\/td><\/tr>\n<tr><td>Oxygen transfer<\/td><td>Surface aeration via wave motion<\/td><td>Sparger \u2014 higher OTR for high cell density<\/td><\/tr>\n<\/table>\n<\/div>\n\n<div class=\"sbp-section\">\n<h2 class=\"sbp-h2\">Frequently Asked Questions<\/h2>\n<div class=\"sbp-faq\"><h3>What is the difference between 2D and 3D bioprocessing bags?<\/h3><p>2D bags are flat pillow bags for media, buffer and liquid storage \u2014 no cell culture capability. 3D bags are three-dimensional bioreactor bags with spargers and mixing for active cell culture. Use 2D for storage and transfer; use 3D for production cell culture.<\/p><\/div>\n<div class=\"sbp-faq\"><h3>Can I use a 2D bag for cell culture?<\/h3><p>Not for standard cell culture requiring O2 supply and mixing \u2014 2D bags have no sparger or mixing capability. For very small-scale static culture (certain adherent cells) a 2D bag may work, but 3D or rocker bags are the correct format for suspension cell culture.<\/p><\/div>\n<div class=\"sbp-faq\"><h3>What volumes are available?<\/h3><p>2D bags: 150 mL to 200+ L. 3D bioreactor bags: 1L to 200+ L. Rocker bags: 10L, 20L, 50L. For volumes above 200L in storage applications, combine 2D bags with the container system (200L, 500L, 1000L stainless steel containers).<\/p><\/div>\n<div class=\"sbp-faq\"><h3>Are all bags USP Class VI and gamma-sterilised?<\/h3><p>Yes \u2014 all SeamlessBio single-use bags are made from USP Class VI certified polyethylene film, gamma-sterilised, and integrity-tested per batch using pressure decay methods. CoA and integrity certificate provided per lot.<\/p><\/div>\n<\/div>\n\n<div class=\"sbp-section\">\n<h2 class=\"sbp-h2\">Related Products<\/h2>\n<div class=\"sbp-grid-4\">\n<a href=\"https:\/\/www.seamlessbio.de\/products\/single-use-bioprocessing\/\" class=\"sbp-card-link\"><h3>All Single-Use Bags<\/h3><p>Complete range \u2014 2D, 3D, rocker bags, tank liners and container systems.<\/p><\/a>\n<a href=\"https:\/\/www.seamlessbio.de\/products\/single-use-bioprocessing\/container-system\/\" class=\"sbp-card-link\"><h3>Container System<\/h3><p>Stainless steel containers 200L\u20131000L for 2D bag storage and transport.<\/p><\/a>\n<a href=\"https:\/\/www.seamlessbio.de\/applications\/bioprocessing-production\/\" class=\"sbp-card-link\"><h3>Bioprocessing Application<\/h3><p>Full product guide for bioproduction \u2014 media, sera, bags and CDMO.<\/p><\/a>\n<a href=\"https:\/\/www.seamlessbio.de\/about-us\/contact-imprint\/\" class=\"sbp-card-link\"><h3>Contact Us<\/h3><p>Request samples, specifications or a custom bag configuration.<\/p><\/a>\n<\/div>\n<\/div>\n<div class=\"sbp-cta\"><h2>Request Single-Use Bag Samples<\/h2><p>Free samples of 2D, 3D or rocker bags. Specifications and integrity certificates included. 48-hour quote.<\/p><div class=\"sbp-cta-btns\"><a href=\"https:\/\/www.seamlessbio.de\/about-us\/contact-imprint\/\" class=\"sbp-btn\">Contact Us<\/a><a href=\"https:\/\/shop.seamlessbio.de\" class=\"sbp-btn-o\">Visit Shop<\/a><\/div><\/div>\n<\/div><\/div>\n<style>\n.sbp-page,.sbp-page *{box-sizing:border-box}\n.sbp-page{font-family:Arial,sans-serif;color:#202020;background:#fff;padding:60px 0 90px}\n.sbp-wrap{max-width:1400px;margin:0 auto;padding:0 40px}\n.sbp-bc{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:13px;color:#999;margin-bottom:32px}\n.sbp-bc a{color:#18b7b2!important;text-decoration:none!important;font-weight:600}.sbp-bc span{color:#ddd}\n.sbp-hero{background:#f7fbfb;border:1px solid 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Bioprocessing\/2D vs. 3D Guide Selection Guide \u00b7 Single-Use Bioprocessing \u00b7 2D \u00b7 3D \u00b7 Rocker Bags 2D vs. 3D Bioprocessing Bags \u2014 Complete Selection Guide Choosing the right single-use [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_eb_attr":"","footnotes":""},"class_list":["post-903","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2D vs. 3D Bioprocess Bags | Selection Guide | SeamlessBio<\/title>\n<meta name=\"description\" content=\"Compare 2D vs 3D single-use bioprocess bags by application, oxygen transfer &amp; volume. 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