Non-woven bags are becoming increasingly popular as eco-friendly alternatives to traditional bags. In this guide, we’ll take a closer look at the materials, printing techniques, and considerations that go into customizing these bags, helping you make the best decision for your needs. Whether you’re designing bags for your brand or looking to understand the manufacturing process, we’ve got you covered.
Last Updated on June 12, 2026 by Gentle Packing Team
What Are Non-Woven Bags Made Of?
Non-woven bags are primarily made from synthetic fibers that are bonded together through various methods without weaving. This allows for a lightweight, durable, and cost-effective product. The most common materials used in non-woven bag production include polypropylene (PP), polyethylene (PE), polyester (PET), nylon, and biodegradable options.
Unlike traditional fabrics that are woven or knitted together, non-woven fabrics are created by bonding long fibers using chemical, mechanical, or heat treatments—no weaving required. This unique process produces a fabric that’s more versatile than many woven alternatives, making it an excellent choice for everything from promotional tote bags to aprons. The result is a strong, flexible material that’s ideal for everyday use and custom printing, offering both practicality and a professional appearance.
Polypropylene (PP):
Polypropylene is the most widely used material for non-woven bags due to its strength, versatility, and low cost. It is a thermoplastic polymer that can be melted and reformed into fibers, making it ideal for creating durable yet lightweight bags.
Polyethylene (PE):
Polyethylene is another popular choice for non-woven bags, known for its resistance to moisture and chemicals. It is a bit stiffer than polypropylene, which can be beneficial for certain types of bags that require more structure. However, it may not be as durable as PP in the long term.
Polyester (PET):
Polyester (and Recycled Polyester, RPET) is used for non-woven bags when additional durability is required. PET non-woven bags are strong, resistant to shrinkage, and can be recycled. They are often used for reusable bags that need to withstand more wear and tear.
Nylon:
Nylon non-woven bags are known for their durability and flexibility. They are a premium option for those looking for higher-quality bags with a sleek, smooth finish. Nylon bags tend to be more resistant to abrasion and UV damage compared to other non-woven materials.
Biodegradable Non-Woven Materials:
As sustainability becomes a growing concern, biodegradable non-woven fabrics have emerged as an eco-friendly alternative. These materials are made from plant-based fibers and break down more quickly in the environment, offering a greener solution for custom bags.
Why Non-Woven Fabric Stands Out in the Promotional Products Industry
So, what’s driving the widespread popularity of non-woven fabric in the world of promotional products? For starters, it’s all about versatility and value. Non-woven materials like polypropylene and polyester deliver an unbeatable mix of affordability, durability, and eco-friendliness—key factors when brands are looking to make a lasting impression without breaking the bank.
Non-woven bags, in particular, tick all the right boxes for promotional campaigns:
- Cost-Effective: Produced efficiently and at scale, non-woven fabrics help keep overall costs low—ideal when you’re ordering hundreds or thousands of branded bags for giveaways, events, or retail.
- Customizable: They’re an excellent canvas for vibrant logos, bold messaging, or detailed graphics using a variety of modern printing techniques.
- Lightweight Yet Durable: Unlike traditional paper or woven fabrics, non-wovens are sturdy enough to be reused, but light enough to carry comfortably.
- Eco-Friendly Options: With biodegradable and recycled materials available, brands can align their promotions with growing environmental awareness, appealing to green-minded consumers.
Popular Printing Techniques for Non-Woven Bags
Printing on non-woven bags requires specialized techniques that can handle the unique characteristics of the material. Here are the most popular methods used in the industry:
Screen Printing
Screen printing is one of the most common methods for non-woven bags. It involves using a mesh screen to transfer ink onto the fabric, allowing for vibrant, long-lasting designs. It is especially effective for large, bold graphics and works well on polypropylene and polyester bags.
Heat Transfer Printing
Heat transfer printing involves applying heat and pressure to a transfer paper that has your design printed on it. This method is ideal for complex designs with multiple colors. It can be used on a wide variety of non-woven materials and is known for producing high-quality, durable prints.
Because heat is such a crucial factor in this process, it’s important to get both the temperature and pressure settings just right. Incorrect heat settings can result in poor adhesion, faded colors, or even damage to the fabric itself.
Gravure Printing
Gravure printing is a high-quality printing technique that involves engraving an image onto a cylinder. This method is best for large print runs and produces sharp, detailed designs.
However, non-woven fabrics are typically porous and require a coated surface (such as a laminated BOPP film) for gravure printing. Without this coating, the ink may not adhere well, leading to subpar results. Therefore, gravure printing is most effective when applied to non-woven bags with a smooth, laminated surface, typically achieved with BOPP.
Digital Printing
Digital printing is a more modern method that uses inkjet technology to print designs directly onto non-woven bags. This technique is great for small to medium print runs and offers excellent color accuracy. It’s ideal for intricate designs and smaller orders, as it doesn’t require screens or plates like other methods.
Flexographic Printing
Flexographic printing uses flexible rubber or photopolymer plates to transfer ink onto non-woven material. It is a fast, efficient method that works well for large-volume orders. It is also versatile and can be used with various types of ink, making it suitable for a wide range of non-woven fabrics. While flexographic printing does not always require a coating on the non-woven fabric, applying a thin laminated layer can improve ink adhesion and enhance print quality, particularly on highly porous materials.
Sublimation Printing
Sublimation printing involves transferring dye onto the fabric using heat and pressure. The dye turns into a gas and bonds with the fibers of the material, creating vibrant, full-color designs that become part of the fabric itself.
However, sublimation is only effective on synthetic fibers like polyester, making it unsuitable for all non-woven bags. Not all non-woven bags can be printed with sublimation due to the types of fibers they are made from.
For instance, bags made from polypropylene (PP) or polyethylene (PE) are not suitable for sublimation printing because these materials do not allow the dye to bond with the fibers, resulting in dull or washed-out designs. This is why sublimation printing is best reserved for polyester-based bags, including recycled polyester (rPET) bags, which can effectively absorb the dye and deliver vibrant, long-lasting prints.
Is Non-Woven Bags Waterproof?
Non-woven bags, such as polypropylene (PP), polyethylene (PE), or polyester (PET), offer some degree of water resistance due to their natural properties, but they are not fully waterproof. These materials can protect items from light moisture, like carrying groceries in light rain, but they are not designed to withstand heavy rain or prolonged exposure to water.
However, non-woven bags with a laminated surface can offer enhanced waterproof capabilities. The laminated layer provides an additional barrier, making these bags more effective at repelling water and preventing moisture from reaching the contents.
For bags that require full waterproof protection, materials like PVC or specially coated fabrics are typically preferred, as they are engineered to provide superior water resistance.
Is Non-Woven Fabric Eco-Friendly?
Non-woven fabrics can be eco-friendly, especially when made from recyclable or biodegradable materials. Polypropylene (PP) and polyethylene (PE) are both recyclable, though they may require proper facilities for processing. Additionally, PET non-woven bags, especially those made from recycled polyester (rPET), are recyclable as well, though their recycling can be more complex depending on the local facilities available.
On the other hand, biodegradable non-woven bags made from plant-based fibers offer a sustainable option that naturally breaks down over time, further reducing environmental impact.
By choosing non-woven bags made from recycled or biodegradable materials, you contribute to reducing plastic waste and minimizing your environmental footprint. However, it’s essential to keep in mind that not all non-woven bags are created equal. Some materials and production processes may still have environmental drawbacks, so it’s crucial to consider the full lifecycle of the product.
Key Considerations Before Printing Non-Woven Bags
Before printing on non-woven bags, fabric color, ink type, surface preparation, drying, test prints, and equipment cleanliness should all be checked. These factors affect color accuracy, ink adhesion, print durability, and consistency in bulk production.
Choosing the Right Fabric Color for Printing
When selecting non-woven bags for printing, the color of the fabric plays a crucial role in the final look of your design. Lighter shades like white or pastels generally allow ink colors to appear true and vibrant, making them a versatile choice for most artwork. On the other hand, darker fabrics can sometimes cause your prints to look muted. To achieve bold, crisp graphics on these backgrounds, printers may apply a white base layer beneath your design—a technique that helps colors stand out.
It’s also wise to consider your branding needs and the intended use of the bag. For example, brands with intricate or colorful logos might benefit from choosing lighter fabrics for maximum impact. Meanwhile, darker bags offer a sleek, elegant canvas but may require extra steps to ensure the artwork remains vivid.
Ink Selection for Non-Woven Bags
When it comes to printing on non-woven fabric, water-based inks often fall short of expectations. These inks tend to absorb unevenly into the fibers, which can cause the colors to bleed or look washed out over time. This means your designs might not appear as crisp or vibrant as intended, especially after repeated use or washing.
Additionally, water-based inks may struggle to adhere properly to synthetic fibers like polypropylene, polyethylene, and polyester—the very materials that make non-woven bags so practical. As a result, prints can fade more quickly and lose their sharpness, leading to a shorter lifespan for your custom designs.
For best results, opt for inks specially engineered for non-woven fabrics, such as plastisol or other durable alternatives. These options provide stronger adhesion, bolder colors, and better wear resistance, ensuring your branded bags look great for the long haul.
Pre-Treatment Before Printing
Before you dive into printing on non-woven bags, it’s important not to skip the pre-treatment stage. This crucial step helps prepare the surface, ensuring that the ink bonds well with the fabric. Without proper pre-treatment, you might see issues like uneven prints, colors that fade quickly, or designs that simply don’t last.
Depending on your chosen printing method—whether it’s screen printing, heat transfer, or another technique—pre-treatment could involve adding a primer or applying a special coating to the bag. This extra prep helps achieve:
- Sharper, more vibrant colors
- Improved ink adhesion for long-lasting designs
- Better resistance to washing and wear
Ultimately, taking the time to pre-treat non-woven fabrics helps your custom bags look professional and stand up to everyday use.
Proper Drying After Printing
If you’re tempted to speed things up and stack your freshly printed non-woven bags before they’re fully dry, think again. Allowing your prints to dry and cure thoroughly is key to achieving professional, long-lasting results. Ink that hasn’t set properly is prone to smudging, uneven coloration, or even premature fading after a few uses or washes.
Each type of ink and printing method—whether you’re working with screen printing, heat transfer, or gravure—has its own recommended drying period. Rushing this step can compromise the durability and clarity of your designs, reducing both their appeal and their lifespan. So, as much as you might be eager to see the finished product in action, patience pays off.
Test Prints Before Bulk Production
Before launching into a full production run, it’s essential to do a test print on your chosen non-woven material. Why? Because every batch of non-woven fabric can behave a little differently—whether it’s how ink sits on the surface, how colors appear, or how sharp the details look.
A test print is your chance to:
- Check Ink Adhesion: Some non-woven fabrics are more porous or have coatings that affect how well ink sticks. Without a quick trial, you risk prints that fade, flake, or look uneven.
- Verify Color Accuracy: Colors can shift depending on fabric color, finish, and the printing method. A test print ensures your logo or design shows up just as you envisioned—no nasty surprises.
- Assess Print Clarity: If your design relies on fine lines or gradients, testing reveals whether the method you’ve chosen can handle the details or if adjustments are needed.
In short, a test print gives you valuable feedback. It lets you tweak temperature, pressure, ink type, or print settings for the best outcome—saving you time, materials, and costly do-overs down the road.
Clean Equipment and Print Quality
Keeping printing equipment clean isn’t just a best practice—it’s vital for getting crisp, consistent results on non-woven fabrics. Dust, dried ink, or residue left on screens and tools can easily transfer onto your bags, leading to smudges, uneven colors, and blemishes that tarnish your final product.
Routine care makes a noticeable difference:
- Prevents Ink Contamination: Fresh, untainted ink lays down more precisely.
- Ensures Sharp Lines: Well-maintained screens help keep designs crisp, especially important for detailed graphics or custom logos.
- Reduces Print Variability: Consistent cleaning means each bag gets the same high-quality treatment, order after order.
Conclusion
Choosing the right printing method and fabric type for your non-woven bags can make a significant difference in quality, durability, and environmental impact. Whether you prioritize eco-friendliness or printing precision, understanding your options ensures that you create the best product for your needs.
At Gentle Packing, we offer customized, eco-friendly non-woven bags with expert printing solutions tailored to your needs. Let us help you choose the best fabric and method to create durable, sustainable bags that represent your brand with precision.