Eco-Friendly Custom Printed Packaging Square Bottom Courier Bag Stand-Up Paper Mailers
As the e-commerce industry continues to boom, so does the demand for packaging that is both functional and environmentally responsible. Our Square Bottom Courier Bags are a game-changer, designed to meet the rigorous demands of modern logistics while championing sustainability. With a unique stand-up structure and a range of customizable features, these bags are the ideal solution for businesses committed to a greener future.
Product Specifications
Product Name: Square Bottom Courier Bag
Material Options: White Kraft Paper / Brown Kraft Paper
Width Range: 170-540мм
Recommended Grammage: 150-250g/m²
Side Grip Range: 60-250мм
Printing Options: 3-7 colors (double-sided)
Tube Length Range: 210-640мм
Outer Printing: Customizable
Sealing Options: Glueless/Single Glue/Double Glue/Easy-Tear Line (4-in-1)
Why Choose Our Eco-Friendly Courier Bags?
With China entering the era of «100 billion parcels» annually, the environmental impact of packaging waste has become critical. Since June 1, 2025, revised national courier regulations mandate greener packaging solutions, promoting biodegradable and reusable materials.
As an industry leader in sustainable packaging, we proudly present our Square Bottom Courier Bag — an innovative solution that combines environmental responsibility with superior functionality.
Key Features & Advantages
✔ Stand-up Design — Spacious interior for easy loading and secure sealing
✔ Four Sealing Options — Glueless/single glue/double glue/easy-tear line configurations
✔ Integrated Adhesive Strip — Strong bonding for secure package protection
✔ Easy-Tear Opening — Red tear strip for tool-free, convenient opening
✔ Waterproof Coating — Enhanced protection against moisture
✔ Full Customization — Available in various sizes and printing options
Rigorous Quality Testing
1. Load Capacity Tests
Static Load: 5kg sandbag for 4 hours — no damage
Dynamic Test: 3,900 lift cycles — no failure
2. Temperature Resistance
-20°C for 2 hours — Seals remain intact
70°C for 2 hours — No adhesive failure or fiber damage
Applications
E-commerce shipping
Local deliveries
Community group purchases
Retail & supermarkets
Pharmaceutical products
Food delivery
Privacy-sensitive items
Customization Process
1）Consultation — Contact our specialists
2）Quotation — Receive competitive pricing
3）Design Service — Free custom design
4）Solution Finalization — Confirm specifications
5）Order Placement — Secure transaction
6）Production — Precision manufacturing
7）Quality Inspection — Rigorous testing
8）Delivery — Worldwide shipping
Our Manufacturing Strength
Annual Production Capacity:
2.7 billion eco-friendly paper bags
9.5 billion food packaging units
2 billion non-woven bags
200 million m² labels & receipts
Certifications & Recognition
ISO 9001, 14001, 22000, 45001 certified
BRC-IOP & FSC-COC certified
Global Presence
13 subsidiaries worldwide serving 200+ countries across:
Asia-Pacific
North America
Europe
Japan
FAQ
1. What temperature range can the adhesive withstand?
A: Our sealant passes -20°C to 70°C tests (suitable for European winters/summers).
2. Can you add a die-cut window to display contents?
A: Yes! Custom window shapes & positions available.
3. How many hot-melt glue lines can be added?
A: Options: No glue / Single glue / Double glue + tear strip (paper or plastic).
4. Can the tear strip be paper or plastic?
A: Both options available.
5. How can we reduce costs?
A: We optimize paper weight, size & material for cost efficiency.
6. How is weight testing done for handle-free bags?
A: We attach a temporary handle for static/dynamic load tests.
7. What’s the weight capacity for different bag styles?
A: Share your requirements—we’ll recommend the best paper strength.
8. Do you provide instructional videos?
A: Yes! Contact us for demo videos.
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