courier bag

The most common material is Co-extruded Polyethylene (PE), which typically features a white exterior and black interior to ensure 100% opacity and privacy. For heavy-duty applications, look for a thickness of at least 60-70 microns. If your brand prioritizes sustainability, inquire about 100% biodegradable (PLA+PBAT) or recycled PCR materials that meet EN13432 or ASTM D6400 standards.

The bag must feature a permanent hot-melt adhesive strip (tamper-evident seal). Once sealed, the bag should tear or show visible damage if someone attempts to open it. Additionally, check for side-weld strength; high-quality bags use explosion-proof edge sealing technology to prevent bursting during high-pressure transit.

Suppliers on Made-in-China.com typically offer gravure printing for high-definition logos, supporting up to 8 colors. You should also consider adding a transparent waybill pocket (back-loading) and dual adhesive strips (returnable bags), which improve the end-user experience by allowing easy returns using the same packaging.

Ensure the bags are heavy metal-free and comply with REACH or RoHS regulations, especially for the EU market. For bags intended for the US, verify that the plastic film meets ASTM standards for tensile strength and impact resistance to withstand the rigors of global logistics chains.

Always request a pre-production sample and use a micrometer to verify the actual thickness matches the quote. On Made-in-China.com, prioritize Audited Suppliers who have undergone third-party onsite inspections by SGS or TÜV Rheinland to ensure their production capacity and quality control systems are legitimate.

Since courier bags are relatively heavy but compact when bundled, Sea Freight (LCL or FCL) is the most economical choice. For urgent stock replenishment, DDP (Delivered Duty Paid) air freight is faster but significantly more expensive. Negotiate FOB terms if you have your own freight forwarder to maintain better control over shipping costs and local port charges.

Utilize Secured Trading services provided by the platform to ensure your payment is only released to the supplier after you confirm receipt of the goods. Avoid direct wire transfers to private accounts; always ensure the beneficiary name matches the company name on the business license.

Customized printing usually requires a Minimum Order Quantity (MOQ) of 10,000 to 30,000 pieces due to the setup costs of copperplate printing. If you are a startup, negotiate a higher unit price for a lower MOQ or ask the supplier to use digital printing for smaller batches, though the per-unit cost will be higher.