GreenWing Blog

The demand for paper packaging bags has surged over the last few years, driven by increased awareness of environmental issues and stricter regulations on plastic usage. However, navigating through various standards, especially in the EU, can be a daunting task for businesses. What exactly are the EU standards for paper

You found the perfect design, picked your eco-friendly kraft material, and got all excited about custom printing—only to realize you’ve got no idea how to measure a paper bag properly. Sound familiar? The short answer? Measure the paper bag in this exact order: Length (L) × Width (W) × Height

Everyone’s saying eco-friendly packaging is the future. But where do you even start a paper bag business? Machines? Suppliers? Customers? Certifications? It’s overwhelming. I’ve run one of the biggest paper bag factories in China since 2008. Let me give it to you straight. You start a successful paper bag business

Weak paper bag handles are the silent killers of good packaging. Imagine your customer walking out of your store, only for the handle to snap mid-stride. That’s why we need to compare paper bag handle strength—like, scientifically. Twisted paper handles are great for cost, flat handles bring comfort, but for

Choosing the wrong type of bag can be like picking the wrong pair of shoes—uncomfortable, embarrassing, and possibly a disaster for your brand. Whether you’re in retail, food service, or logistics, the bag you hand over says a lot about your company. Let’s make sure it says all the right

Ever stared at a paper grocery bag and thought, “How much can this little guy actually hold?” You’re not the only one! Knowing the real capacity of a bag is crucial—especially if you’re a business trying to match packaging to your products. Let’s solve this paper puzzle together. A standard

Struggling to figure out how a simple paper bag can hold your favorite takeout or premium retail goods? You’re not alone. Many business owners, like you, want reliable, durable bags but have no idea what goes into making them. Don’t worry—I’m here to lift the curtain. Paper bags are crafted

You’ve probably asked yourself this before: can this paper bag really hold all my product without tearing apart? Especially when your customers are loading up hot meals, coffee, or e-commerce orders, the last thing you want is a soggy collapse. It’s more than embarrassing — it’s bad for business. Paper

Humidity is a sneaky enemy. You can’t see it, smell it, or stop it—but your packaging feels it. From soggy bottoms to wrinkled prints, moisture can destroy a good paper bag before it even hits the shelf. Humidity affects paper bags by weakening fiber strength, causing warping, softening glue, and