15x20cm Square Bottom Paper Bag Sturdy Eco Friendly Shipping Envelopes
Product Overview
Square-bottom paper envelopes and food-grade variants are sturdy, eco-friendly packaging solutions designed for retail, food delivery, and premium branding. These envelopes combine structural integrity, aesthetic flexibility, and compliance with food safety standards. Fully customizable in size, color, and design, they cater to businesses prioritizing sustainability and visual appeal.
Key Features & Benefits
Square-Bottom Paper Envelopes
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Reinforced Corners: Triple-layered edges prevent tearing under heavy loads (up to 15 kg).
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Water-Resistant Coating: Plant-based wax layer repels moisture without microplastics.
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Interactive Branding: Embed NFC tags or QR codes for promotions, AR experiences, or recycling guides.
| Feature | Benefit |
|---|---|
| Self-Sealing Strips | Adhesive-free, starch-based glue for easy closure and reopening. |
| Anti-Static Lining | Carbon-infused layer protects electronics (surface resistance <10^6 ohms/sq). |
| Fold-Flat Design | Saves 70% storage space compared to pre-assembled envelopes. |
Food-Grade Square-Bottom Envelopes
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FDA/EU Compliance: Made from virgin kraft paper with food-safe soy ink.
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Greaseproof Barrier: PFAS-free cellulose coating repels oils and fats.
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Compostable & Marine-Safe: Breaks down in seawater within 90 days (TÜV OK Marine).
| Feature | Benefit |
|---|---|
| Microwave-Safe | Withstands 100°C for reheating pre-packaged meals. |
| Odorless Material | Passes ISO 10993-5 cytotoxicity tests for food contact. |
| Transparent Window | PLA film panel decomposes with the envelope (OK Compost INDUSTRIAL). |
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.