I. Product Introduction
The kraft paper windowed composite bag is a professional food
packaging bag that combines an environmentally friendly appearance,
strong display capabilities, and high barrier performance. The
outer layer uses high-quality kraft paper, presenting a natural and
rustic visual effect that not only aligns with current
environmental trends but also effectively enhances brand image. The
bag structure employs multi-layer composite technology, giving the
packaging strength, moisture resistance, and excellent sealing
performance. The transparent window area clearly displays the
contents, allowing consumers to intuitively understand product
quality and boosting purchase confidence. This packaging is widely
used in industries such as coffee beans, baked goods, nuts, dried
fruits, tea, and grains, providing e-commerce sellers, food
factories, and baking brands with high-quality, customizable
packaging solutions.
II. Product Parameter Table
| Item | Description |
|---|
| Material Structure | Kraft Paper / PET / PE (Customizable) |
| Kraft Paper Color | Natural Kraft Paper / White Kraft Paper |
| Window Material | High Transparency PET |
| Thickness Range | 80–150 μm |
| Optional Bag Types | Stand-up Pouch / Flat Bottom Pouch / Zipper Pouch |
| Sealing Method | Heat Sealing / Zipper Sealing |
| Printing Technology | Gravure Printing, Customization Available |
| Size Range | Customization Available for Any Size |
| Special Properties | Moisture-proof, Pressure-proof, Oxygen Barrier |
| Application Industries | Coffee, Baking, Snacks, Tea, etc. |
III. Sturdy Compression-resistant Structure Prevents Transportation
Damage
The bag body adopts a reinforced composite structure design,
possessing excellent compression and tear resistance. During
transportation, storage, and display, the packaging can effectively
resist external forces such as squeezing and impact, reducing the
occurrence of problems such as bag breakage, air leakage, and
deformation. Whether it's a bag full of coffee beans, fragile baked
goods, or larger snacks, they can all be reliably protected,
ensuring that the product remains in good condition from the
factory to the consumer.
IV. Inner Moisture-Proof Film Extends Coffee Shelf Life
The inner layer uses professional-grade moisture-proof film
material, effectively preventing moisture from penetrating the air,
keeping coffee beans dry and stable, and extending the product's
shelf life. Excellent moisture barrier properties reduce flavor
degradation caused by moisture absorption, suitable for medium and
dark roast coffee beans, as well as dry nuts and tea, and other
foods with high moisture resistance requirements. Whether for
long-distance e-commerce transportation or store shelf display, it
maintains the original aroma and quality of the product.
V. Controllable Oxygen Permeability Meets the Breathing Needs of
Baked Goods
Considering the storage characteristics of baked goods, the
packaging bag can be configured with appropriate oxygen
permeability by adjusting the composite structure and material
thickness. Baked goods require slight "breathing" during storage.
Controlled oxygen permeability helps maintain the stable aroma and
taste of products such as cookies, bread, and cakes, preventing
dampness or changes in taste caused by complete sealing. This
design is particularly suitable for short-shelf-life baked goods,
helping to maintain optimal flavor.
