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.
