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Inner Packaging Spotlight: Glassine, A Sustainable and Elegant Choice

Inner Packaging Spotlight: Glassine, A Sustainable and Elegant Choice

In the world of packaging, what’s on the inside counts just as much as the outside. One of the best types of inner packaging you can consider nowadays are glassine bags. Known for its smooth finish and translucent appearance, glassine is not just a visually appealing option but ALSO an environmentally friendly one. 

What is inner packaging?

Inner packaging is the protective layer or material that directly surrounds and safeguards a product inside its outer packaging. Some common examples of this are shredded paper, bubble wrap, wax paper, and foam inserts. Inner packaging often serves multiple purposes—it cushions, organizes, and presents the product attractively during the unboxing experience.

READ MORE: What Is The Difference Between Primary, Secondary & Tertiary Packaging?

What is glassine?

Glassine is a smooth and glossy paper that is air, water, and grease resistant. It is made through a supercalendering process where the paper fibers are flattened and compacted to produce a very thin, dense, and uniform sheet. Unlike plastic, glassine packaging is 100% biodegradable, compostable, and recyclable, making it an excellent packaging choice for eco-conscious brands.

Hands placing a Glassine Bags 9.6" x 12.6" into a green and white floral-patterned shipping bag labeled "impack.co".

Glassine as an inner packaging: What makes it so great

1. It protects while showcasing products

Glassine's semi-transparent nature allows your customers to catch a glimpse of the product without opening the packaging. It's a great touch that can be particularly useful for items like baked goods, candies, or even jewelry, where visibility enhances the consumer's purchase desire. 

Blue daisy-designed Glassine Bags 5.6" x 8.6" with white and yellow flowers, one partially open revealing a white item inside. The bag is branded with a label reading "impack.co".

2. It is eco-friendly

As an environmentally friendly material, glassine supports companies in achieving their sustainability goals. It decomposes naturally and does not contribute to landfill waste. For brands looking to improve their ecological footprint, switching to glassine can be a significant step forward.

Three impack.co Glassine Bags 9.6" x 12.6" with QR codes and disposal instructions printed at the bottom corners. The text includes "HOW TO DISPOSE" and the website "impack.co.

3. It is versatile and customizable

Glassine can be easily printed and stamped on (depending on the ink), allowing businesses to add brand logos, instructions, or decorative designs directly onto the inner packaging. This customizability makes glassine a versatile option for enhancing brand recognition and consumer engagement directly at the point of unboxing. Mix and match Impack's glassine bags inside our flat mailers or padded mailers. While they already come with sealable strips, you can top it all off with our custom stickers for branding purposes!

4. It is food-safety compliant

Glassine is popular in the food industry because it is food safe. It does not react chemically with the products it houses, making it ideal for direct contact with food. Whether for lining cookie boxes, wrapping individual pastries, or even as burger wraps, glassine ensures that the food product remains safe and uncontaminated.

5. It can be cost-effective

Despite its many benefits, glassine is comparably cost-effective, especially when ordered in bulk. Its production process, while sophisticated, does not involve extensive material inputs, which keeps the costs relatively low. This affordability makes it accessible for businesses of all sizes.

Protect, present, and impress with Impack's glassine bags

Our glassine bags are crafted from 100% FSC-certified paper, making them curbside recyclable with other paper products. This means your customers can dispose of them responsibly, aligning with your brand’s commitment to sustainability. Unlike plastic alternatives, these bags decompose naturally, reducing your packaging footprint while still offering excellent protection. We offer them in two sizes: 

For small businesses looking to balance aesthetics with sustainability, Impack's Glassine Bags are a no-brainer. They’re ideal for packaging items like:

  • Handmade crafts like candles or soaps
  • Stationery and stickers for creative entrepreneurs
  • Food items like baked goods, coffee beans, or small treats

Make the Switch Today!

Step up your inner packaging game with Impack's Glassine Bags. Durable, sustainable, and versatile, they’re the smart choice for brands that care about their products—and the planet. Browse our collection and give your customers an unboxing experience they’ll remember.

FAQs on Glassine

Can you ship glassine bags on their own?
No, glassine bags cannot be shipped on their own as they are lightweight and prone to damage during transit. They need to be packed in protective outer packaging, such as padded mailers or cardboard boxes, to ensure they remain in pristine condition upon arrival.
What are the disadvantages of glassine?
While glassine has many benefits, there are a few disadvantages to consider:
  • Limited waterproofing: It repels some moisture but isn’t completely waterproof.
  • Fragility: Glassine can wrinkle or tear if handled roughly.
  • Limited strength: It’s not ideal for heavy or sharp-edged items.
  • Semi-transparency: This might not be suitable for all products where full opacity is required.
Are glassine bags recyclable?
Yes, glassine bags are fully recyclable and can typically be disposed of with other paper products in curbside recycling programs. Since they are made from 100% paper without coatings or laminations, they are also biodegradable and compostable.
Can glassine paper be printed on?
Yes, glassine paper can be printed on, but it requires specialized printing methods due to its smooth and non-porous surface. Custom designs, logos, or patterns can be applied using techniques like screen printing or offset printing for branding or decorative purposes.
What are the benefits of glassine bags?
Glassine bags offer several advantages:
  • Eco-friendly: Made from FSC-certified paper, they’re biodegradable, compostable, and recyclable.
  • Grease and dirt resistance: Protects products like baked goods or jewelry from external contaminants.
  • Aesthetic appeal: Their smooth, semi-transparent finish adds a polished, professional look.
  • Food safe: Suitable for direct contact with food products.
  • Customizable: Can be printed or branded to enhance packaging design.
What to use instead of glassine?
If glassine doesn’t suit your needs, here are a few alternatives:
  • Greaseproof paper: Offers similar protection but is less smooth and translucent.
  • Wax paper: Provides a moisture-resistant barrier, commonly used in food packaging.
  • Kraft paper bags: A fully opaque, eco-friendly option for sturdier packaging needs.
  • Plastic-free cellulose bags: An alternative for those seeking clear packaging with a sustainable edge.
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