Product Detailed Description
The Semiotics of Unbleached Fiber
Kraft paperboard carries immediate environmental association. Visible wood fiber, natural brown hue, absence of chemical processing suggestion. No greenwashing required — material authenticity communicates sustainability commitment.
We manufacture kraft mailer boxes with specifications balancing environmental performance, structural integrity, and print capability for brands prioritizing natural positioning.
Material Specifications
Natural Kraft
Unbleached sulfate process paperboard. Brown color varying from light tan to deep chocolate depending on fiber source and processing.
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Standard weight — 18-24pt for folding cartons, E flute for corrugated
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Visible fiber — Texture suggesting recycled content, natural origin
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Color variation — Batch differences celebrating material authenticity
Bleached Kraft
Sulfate process with chlorine free bleaching. White or natural substrate with kraft fiber structure.
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Print quality surface — Superior ink adhesion, brighter color reproduction
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Environmental compromise — Processing energy and chemical use, though recyclable
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Aesthetic bridge — Natural texture with color flexibility
Recycled Content Kraft
Post consumer waste fiber incorporated. Visible speckling, color variation, environmental narrative reinforcement.
Print and Surface Options
Direct Print
Flexographic or lithographic application directly to kraft surface. Ink absorbs into fiber, creating muted, organic aesthetic.
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Dark ink on natural — Maximum contrast, readable, earthy
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Light ink on natural — Subtle, sophisticated, challenging readability
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White ink — Opaque coverage creating contrast without bleaching
Laminated Print
Exterior print on separate substrate, laminated to kraft base. Full color capability, gloss or matte finish, surface protection.
Unprinted Natural
No print, pure material. Brand communication through sticker, stamp, or included card. Maximum sustainability suggestion, minimum processing.
Structural Configurations
Folding Carton Kraft
Lightweight, economical, suitable for apparel, soft goods, lightweight products. Tuck top or adhesive closure.
Corrugated Kraft
E, B, or C flute profiles. Shipping protection, stacking strength, heavier contents. Tuck top or RSC (regular slotted container) formats.
Rigid Setup Kraft
Natural fiber wrapped exterior, grayboard interior. Premium weight with natural aesthetic. Magnetic or ribbon closure.
Sustainability Certification
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FSC certification — Chain of custody for virgin fiber
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Post consumer waste content — Percentage documentation
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Recyclable labeling — Consumer disposal instruction
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Compostable certification — Industrial and home validation
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Carbon footprint — Life cycle assessment documentation
