PRODUCT OVERVIEW & DUAL-TONE UNBOXING ELEGANCE
Elevate your brand's shipping presentation while safeguarding valuable goods during transit with our Custom White Outer Kraft Inner Corrugated Mailer Box. Purpose-engineered for e-commerce retailers, subscription box curators, fashion boutiques, and electronics distributors, this hybrid container combines a crisp, high-brightness exterior with a rustic, natural kraft interior.
Constructed from dense 3-ply E-flute or B-flute corrugated paperboard, the box incorporates double-wall side construction that provides exceptional crush resistance along edges and corners. The classic roll-end tuck-top dieline features locking side wings, enabling rapid tool-free assembly without requiring external tape or adhesives for box closure.
STRUCTURAL VALUES & E-COMMERCE ADVANTAGES
Dual-Color Contrast Aesthetics
Bright white exterior creates a clean first impression, while the warm kraft interior delivers a satisfying, organic unboxing moment.
Double-Wall Corner Reinforcement
Fold-over side walls double the structural thickness, protecting delicate merchandise against impact during courier transit.
Integrated Self-Locking Wings
Front tuck-in tabs lock firmly into place, maintaining structural integrity under stacking pressure.
Flat-Packed Storage Optimization
Ships completely flat in high-density bundles, maximizing warehouse floor space and lowering freight charges.
OEM/ODM TECHNICAL SPECIFICATIONS
| Industrial Parameter | Factory Customization Capabilities |
| Box Structural Format | Roll-End Tuck-Top (RETT) Corrugated Shipping Box with Side Flaps |
| Substrate & Material Spec | 3-Ply High-Density White/Kraft Corrugated Board (E-Flute or B-Flute) |
| Surface Branding Options | Water-Based Flexo Printing, Full-Color CMYK Offset, Metallic Foil Stamping |
| Interior & Exterior Finish | Coated White Outer Liner + Unbleached Raw Kraft Inner Liner |
| Primary Verticals | E-Commerce Delivery, Apparel Packaging, Subscription Boxes, Electronics |
| Minimum Batch Order | 500 units per custom run (Tiered volume price break options available) |
| Sample Turnaround | 2 days for unprinted structural CAD samples; 4 days for fully printed prototypes |
DIRECT FACTORY MANUFACTURING CAPABILITIES
Direct Factory Wholesale Rates: In-house automated corrugating, high-speed flatbed die-cutting, and scoring lines eliminate middleman costs.
Custom Spec Engineering: Our packaging design team provides custom vector CAD dielines tailored to your exact product dimensions within 24 hours.
Precision Creasing Technology: Advanced die-cutting machinery guarantees clean, sharp score lines for square, effortless assembly.
ISO-Certified Quality Standards: Manufactured using non-toxic water-based inks, eco-friendly starch adhesives, and recyclable paper fibers.
FREQUENTLY ASKED QUESTIONS (FAQ)
Q1: Can we print our custom logo and branding graphics on both the white exterior and the kraft interior?
A: Yes. We offer multi-color printing on all interior and exterior panels, allowing you to display logos outside and printed welcome messages inside.
Q2: Does this box require packing tape for secure shipping?
A: While the self-locking tuck flaps hold the box firmly shut, we recommend applying a tamper-evident seal or single tape strip across the front seam for long-distance parcel transit.
Q3: What thickness or flute type is recommended for shipping heavy items?
A: For lightweight items like apparel, E-flute (1.5mm) provides a sleek finish. For heavier electronics or cosmetics, we recommend B-flute (3.0mm) for increased puncture resistance.
Q4: How are these mailer boxes packaged for international ocean freight?
A: Boxes are flat-packed in high-density bundles, sealed in protective PE dust bags, and loaded into heavy-duty corrugated export master cartons with corner guards.
Q5: What is the lead time for custom printed mailer box orders?
A: Structural CAD samples take 2 days, decorated prototypes take 4 days, and full mass production finishes within 10 to 12 business days upon dieline approval.
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