This kind of sandwich bag is made of food grade coated kraft paper. Both environmental protection and functionality. Its unique design contains transparent window (positive) is located in the bag body, convenient user view content directly, without opening the package. With dimensions of 250×155×72mm, it perfectly fits a standard sandwich or hamburger, providing ample space to prevent deformation due to compression. The coating process enhances the oil - proof, moisture-proof and tear - proof properties of kraft paper, ensuring that food is fresh and safe to transport. The products are suitable for home, catering or takeaway scenarios to improve packaging efficiency and user experience.?
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Designed for portable food such as sandwiches and hamburgers, food-grade coated kraft paper bags are embedded in the front of the high-transparency PET transparent window (40%), and the contents are clearly visible. The precise size fits the standard sandwich capacity. The bottom folded edge reinforcement enhances the compressive resistance. Combined with the oil-proof and water-proof film coating process, it meets the needs of home, food delivery and supermarket retail scenarios.?
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1. Specifications and manufacturing details
Dimensions: Height 250mm × Width 155mm × Depth 72mm (The bottom flange design enhances the load-bearing capacity).
Material: The base material is 250g thickened kraft paper, and the surface is covered with food-grade PE film layer.
The window part adopts transparent food-grade PET film, the size of which accounts for about 40% of the bag body to ensure clear visibility.
Process: Lamination technology. (increased paper barrier property)
Hot pressing edge sealing. (seamless bonding, avoid leakage)
Capacity: About 1 standard sandwich (or equivalent).
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2. Core Features and Advantages
Food safety
Made of food-grade virgin wood pulp kraft paper, free of fluorescent agents and harmful chemical residues, and certified by SGS, it can be in direct contact with food.?
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Highly functional
The coating layer is oil-proof and moisture-proof, effectively blocking oil and water penetration.
The window design is easy to quickly identify the content and reduce the risk of mistaking.?
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Environmental economy
Kraft paper is degradable (degradation cycle is about 90 days) and supports reuse; The cost per package is low, making it suitable for bulk purchasing.?
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User experience optimization
The easy-open and tear-off design makes it convenient for quick loading and removal.
The matte surface enhances the hand feel, and the printing area supports custom logos (such as corporate logos).?
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3. Application Scenarios and Suggestions
Main Uses:
For households: Storage of breakfast sandwiches, hamburgers or snacks.
For businesses: Packaging for takeout orders in cafes and fast food restaurants, or display of baked goods (such as cake boxes and similar applications).
For events: Portable portioning for picnics and tea breaks at meetings.?
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Usage suggestions:
Storage temperature: -20°C to 85°C. Avoid film aging.
Compatibility: It can be packaged in bulk with heat sealing machine.
Guangdong Shiteng Wisdom Technology Co., Ltd.
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