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Customizable Size Food-Grade Kraft Square-Bottom Paper Bags
Food-Grade Square-Bottom Paper Bags – Product Introduction
1. Materials & Structure
Core Materials
Food-Grade Kraft Paper: Made from pure white or brown kraft pulp, compliant with GB9685 food safety standards for direct food contact.
Laminated/Inner Liner Design: Some products feature PE coating or PP moisture-proof film to enhance waterproof and oil-resistant properties, ideal for packaging moist or greasy foods.
FSC-Certified Option: Select products use FSC-certified kraft paper to ensure sustainable raw material sourcing.
Square-Bottom Structural Advantages
Capacity & Stability: Square base allows upright placement, perfect for displaying and carrying irregular items (e.g., baked goods, takeout containers).
Reinforced Construction: Multi-layer composite structure (e.g., "3-paper-1-film") boosts load capacity, supporting 5–25kg.
2. Product Types & Specifications
By Capacity
Small Bags (e.g., 15×8×21cm): Fit for snacks, pastries.
Medium Bags (e.g., 21×11×27cm): Ideal for bread, fast-food boxes, or beverage packaging.
By Inner Liner Material
PE-Coated Bags: Oil-proof and leak-resistant, suitable for popcorn, fried foods.
Non-Coated Eco Bags: Fully recyclable paper, designed for dry foods (e.g., grains, nuts).
3. Core Features & Certifications
Food Safety: Certified with ISO 22000, QS, and other standards for direct food-contact packaging.
Eco-Friendly Attributes:
100% recyclable and biodegradable, reducing plastic pollution.
Printed with non-toxic water-based inks.
Customization: Adjustable sizes, brand logo printing, and window designs (to showcase contents).
4. Typical Applications
Bakery & Fast-Food Industries:
Packaging pastries and beverages in bakeries or tea shops, with wire-sealed closures to preserve freshness.
Retail & Supermarkets:
Pre-packaging bulk foods (e.g., nuts, candies) using laminated bags for moisture and contamination resistance.
Takeout & Gifting:
Square-bottom design elevates gift box aesthetics, perfect for holiday hampers or souvenir packaging.
5. Customization & Printing Services
Printing Options: 7-color HD printing for intricate patterns and brand details.
Sealing Methods: Stitched base, heat-sealed, or wire-sealed closures, compatible with automated filling equipment.
Bulk Orders: Factory-direct supply with minimum orders as low as 1 roll and 48-hour delivery support.
6. Why Choose Our Food-Grade Square-Bottom Bags?
Combining safety, sustainability, and high load-bearing capacity, these bags are the top choice for replacing plastic packaging in the food and retail industries. Perfect for brands and businesses committed to quality and eco-responsibility!
