Chief Engineer's Note

20 Years of Structural Design Experience

This white corrugated mailing box supports full-process customization, designed for branded shipping or gift packaging. With precise specifications—internal dimensions 256×186×56mm, made of a three-layer E-flute corrugated airplane box, face paper of 250-300g coated white cardboard, edge crush strength ≥3.5 kN/m, and bursting strength ≥1500 kPa—it ensures stable load-bearing. The outer box can be customized with four-color offset printing plus spot colors (gray/yellow), the inner side of the lid features spot yellow printing with white text, the interior and bottom are both made of white cardboard, and the surface is laminated with a matte or glossy film for a premium feel. From dimensions to printing techniques, every detail can be adjusted on demand, making it ideal for bulk customization in e-commerce and cultural creative scenarios—giving your packages greater recognition.

Technical Specifications

Inner Lid Spot color yellow printing + white text
Flute Type E-flute (flute height ≈ 1.5mm)
Box Pattern Four-color offset (CMYK) + Spot color (gray / yellow)
Dimensions (mm) Length 256, Width 186, Height 56
Edge Crush Test ≥3.5 kN/m
Paperboard Type 3-layer E-flute corrugated shipping box (airplane box)
Top Liner Weight 250-300 g/m2 coated white board
Bursting Strength ≥1500 kPa
Surface Finishing Matte lamination / Glossy lamination
Box Interior / Box Bottom Same as outer box face paper (white board)

Global Shipping from China

🚢 Shipping Time (Sea Freight)

  • To US West Coast18-22 days
  • To US East Coast28-35 days
  • To Europe (Main Ports)25-30 days
  • To Australia12-15 days

📦 Supported Trade Terms

  • DDPDelivered Duty Paid (we handle customs and taxes)
  • FOBFree on Board Shenzhen/Guangzhou
  • CIFCost, Insurance and Freight to your port

Frequently Asked Questions


Do I need to pay printing plate / tooling fees?
For orders under 5,000 pieces, a one-time printing plate fee ($50-100, depending on size) applies. For reorders or orders over 5,000 pieces, tooling fees are waived.