Process Guide

The Custom Packaging Sample Process: From Design to Pre-Production Sample

March 28, 20267 min read
#packaging sample#pre-production sample#prototype#design files#China sampling
Custom packaging sample process from Chinese factory

Why the Sample Stage Is the Most Critical Step

Many brands underestimate the importance of the sample stage, treating it as a formality. In reality, the sample stage is where you catch errors before they become $50,000+ mistakes. A pre-production sample lets you verify dimensions, material quality, print color, finishing accuracy, and structural integrity β€”all before committing to a full production run.

Skipping or rushing this stage is the #1 cause of packaging disasters for first-time buyers sourcing from China.

The 5 Stages of the Packaging Sample Process

Stage 1: Design File Preparation (3β€” Days)

Before requesting a sample, your artwork must be print-ready:

  • Format: PDF with bleed, CMYK color mode, 300dpi minimum resolution
  • Bleed: 3mm bleed on all sides
  • Color profile: Coated FOGRA39 (for offset) or converted to factory's profile
  • Font: Outlined/converted to paths (or fonts included)
  • Die-line: Provide the factory's dieline or request one if you don't have it

Tip: If you don't have print-ready artwork, many Chinese factories offer design services at $30β€”100/hour. This investment is worth it β€”improper artwork is the leading cause of sample rejections.

Stage 2: Sample Request & Quotation (1β€” Days)

When contacting a supplier, provide:

  • Dimensions (L θ„³ W θ„³ H in mm)
  • Quantity (e.g., "1 sample + 5 variations")
  • Board specifications (gsm, type)
  • Surface material and lamination type
  • Finishing requirements (foil color, emboss location)
  • Inner tray/insert specifications
  • Reference images or physical sample (if available)

The factory will provide a sample quotation including:

  • Sample fee (typically $50β€”300 depending on complexity)
  • Sample lead time (usually 5β€”0 days)
  • Shipping cost (DHL/FedEx usually $40β€”100)
  • Whether the sample fee is refundable upon bulk order

Stage 3: Sample Production (5β€”0 Days)

During production, the factory will:

  1. Cut the greyboard to dimensions
  2. Print and laminate the surface paper
  3. Apply finishing (foil stamping, embossing)
  4. Assemble the box structure
  5. Add inner tray/insert if applicable
  6. Quality check against your specifications

What to expect: The factory may send production photos or video during the process. Always ask for these β€”they give you an early warning if something is wrong.

Stage 4: Sample Review & Revision (Variable)

When your sample arrives, evaluate it systematically:

Check PointWhat to Verify
DimensionsDoes it match spec? Does the product fit?
Board weightDoes it feel right? Too flimsy or too heavy?
Print qualityColors match artwork? No blurring, misregistration?
Foil/embossPlacement correct? Adhesion solid?
Glue/adhesiveNo peeling, delamination, or overflow?
Inner trayDoes it hold the product securely? No rattling?
ClosureDoes magnetic/ribbon closure work as intended?
Shipping damageAny damage during transit from China?

If issues are found, document them with photos and send a clear revision request to the factory. Most factories offer 1β€” rounds of sample revision at no additional cost.

Stage 5: Sample Approval & Bulk Production (After Approval)

Once you approve the sample (via email or signed approval form), the factory proceeds to bulk production. The approved sample becomes your quality reference β€”bulk production must match the sample standard.

Types of Samples You Might Request

  • Structural prototype: Unprinted board mockup to verify dimensions and fit. Cheapest option ($30β€”80).
  • Digital print sample: Full-color digital print (no foil/emboss) to check artwork. Fast ($50β€”150).
  • Pre-production sample (PPS): Fully finished sample with all materials, printing, and finishing. Most expensive but most accurate ($100β€”300).
  • Lab test sample: If regulatory compliance is required (FDA food contact, REACH), you may need physical testing in addition to visual approval.

How Long Does the Entire Sample Process Take?

From artwork-ready to sample-in-hand:

  • Digital print sample: 7β€”2 days total (5β€” days production + 5β€” days shipping)
  • Full pre-production sample: 14β€”0 days total (8β€”0 days production + 5β€”0 days shipping)
  • Express sample (rush fee): Can reduce production time by 30β€”0%

Conclusion

The sample stage exists to protect your investment. Budget 3β€” weeks and $100β€”400 for sample-related costs before bulk production. This upfront investment is the cheapest insurance against packaging disasters. Ready to start the sample process? Contact BEJAN GIANT PACKAGING with your specifications β€”we provide detailed sample quotes within 24 hours.

B

BEJAN GIANT PACKAGING

Expert manufacturer of custom rigid boxes, folding cartons, and sustainable packaging solutions in Qingdao, China. ISO 9001 & FSC certified.

Need a Custom Packaging Quote?

Get a detailed, itemized quote within 24 hours. Free samples available.

Request a Free Quote β†’

漏 2026 Qingdao Bejan Giant New Packaging Technology Co., Ltd. All rights reserved.

Chat on WhatsApp