Envelop mailer bag

Envelopes bag are made of thick cardstock, such as kraft paper or white cardboard, which effectively prevents documents from bending and wrinkling.

Free Packaging Artwork Design
Design & Engineering
Packaging Testing & Validation
No Mineral Printing Ink
Quality Check
100% delivery guarantee
Food Safety Certification
Sustainable Packaging


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Custom Sizes & Shapes
CMYK, PMS, Special Colors
Paper Stock:
Cardboard paper, Ivory Paper, Eco-FriendlyKraft paper, Art paper, Paper board, Corrugated board, Coated paper, etc
Surface Finish:
Matt / Glossy Lamination, Varnishing, Stamping, UV Spotting, Gold Foil, etc.
Flat View, Provide free artwork design, 3D Mock-up, Physical Sampling (On request)
Turn Around Time:
4-6 Business Days, Rush
Payment Terms:
T/T, Paypal, Western Union, L/C

Envelop mailer bag

Strong & Premium Quality: Made of high-quality recyclable and sturdy cardboard, lightweight, and easy to carry.
Eco-friendly and sustainable paper packaging products , with Fsc and Sedex certification, besides the packaging, we focus on environment protect as well.
Customizable: not only the design can be customized, but also the size and the materials used can be customized. Our goal is to turn your ideas into reality.
The envelop mailer has strong glue inside, which is convenient for you to provide a tight seal after putting the files in, ensuring the safety of the files.
This kind of mailer can be used to hold documents, stationery, and different greeting cards, and the size of the mailer is determined according to the size of the product. The appearance design can be made into a single color system, or it can be made into colorful ones. If you still have requirements for surface treatment, you can choose matte lamination, glossy lamination, or aqua varnish, spot UV, glod/sliver foil stamping. We will try our best to provide you with the best service and best mailer.
Personalized your food packaging solutions in Sunshine Packaging:
Custom Sizes & Shapes
Cardboard paper, Ivory Paper, Kraft paper, Art paper, Corrugated paper, etc.
Surface finish: Matt / Glossy Lamination, Aqueous coating, Foil Stamping, UV, etc.
Free artwork design and 3D Mock-up available
If you are buying this box for the first time, we can provide you with a sample first, the sample production lead time is about 7 days, and the mass production lead time is about 3 weeks. We have different materials for you to choose from, so you don’t have to worry about buying a box that doesn’t meet your requirements.
In Sunshine Packaging, 100% SATISFACTION GUARANTEED. We believe that quality is the most important aspect of our work. Our goal is to provide you with cost-effective and high-quality products. We are confident that you will be completely satisfied with our product.

White cardboard
Black cardboard
Corrugated paper
Art paper
Brown paper bag
Kraft paper
Specialty paper
Glossy Lamination
Matte Lamination
Gold Hot stamping
Silver hot stamping
Spot UV
No Mineral printing ink

Mineral oil-free inks with zero hazardous air pollutants and no hazardous ingredients and reduce the risks associated with mineral oil ink contamination in the food packaging industry.

Soy / Vegetable Ink

100% eco-friendly ink comprised of soy and vegetable oil and pigment that provides high-quality color output. Suitable for food packaging.

Pantone color

Pure color based on specific ink formulas to consistenly and precisely print color.

Packaging solutions by industry needs

Find the perfect packaging solutions tailored to your industry niche.

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Start your packaging journey with Sunshine packaging