Vibrant Coloured Envelopes & Versatile Paper Bags Manufacturer
At Polycart, we bring brands to life through color and functionality. We are a specialized manufacturer of coloured paper envelopes, printed SOS bags with handles, and high-barrier pouches for food and pharma. Our facility is equipped to handle complex folding and gluing requirements, ensuring your packaging meets both aesthetic and regulatory standards.
✉ Get a Quote for Coloured PackagingColoured & Specialty Envelopes
We produce envelopes using dyed-through papers that maintain their color even when torn or folded. From vibrant marketing mailers to elegant invitation envelopes, our range includes over 50 standard shades.
Paper Bags & SOS Carriers: The Technical Breakdown
Our production lines are versatile, capable of producing Self-Opening Sack (SOS) bags, which feature a block bottom structure allowing the bag to stand upright for easy filling. We offer various handle and closure integrations.
Chart 1: Bag Styles & Handle Configurations
| Bag Construction Style | Handle Options | Typical Dimensions (Width x Gusset x Height) | Primary Application |
|---|---|---|---|
| SOS Block Bottom | Twisted Paper / Flat Tape | Small (18x8x22cm) to Large (45x17x48cm) | Retail Fashion, Takeaway Food |
| Luxury Carrier | Cotton Rope / Satin Ribbon / Knotted | Fully Custom Bespoke Sizes | Boutiques, Jewelry, Corporate Events |
| Satchel (V-Bottom) | No Handle / Die-Cut Handle | Flat formats for light items | Pharmacies, Bakeries, Greeting Cards |
| Courier E-Commerce | No Handle / Die-Cut | Expandable Gusset options | Online Retail Shipping |
To better understand the durability differences, see the comparison below:
Chart 2: Closure Systems & Add-ons
For pharmaceutical and secure document transport, the closure method is critical. We integrate the following features directly inline during production:
| Feature Type | Functionality | Availability |
|---|---|---|
| Peel & Seal Strip | Hot-melt glue strip covered by release paper on the flap for permanent closure. | Available on Envelopes & E-commerce Bags |
| Re-sealable Strip | Double strip system allowing the customer to open and re-seal the bag (for returns). | E-commerce Mailers |
| Dexter / Gummed | Water-activated adhesive. Traditional and eco-friendly. | Standard Envelopes |
| Window Patching | Clear PLA (biodegradable) or PE film patch to display contents. | Food Pouches & Window Envelopes |
Food & Pharma Pouches
Our food and pharma pouches are manufactured in a hygiene-controlled environment. We use certified barrier papers that resist grease and moisture, ensuring product freshness.
Explore our other specialized categories:
» Standard Printed Envelopes & Mailers - Corporate stationery solutions.
» Luxury Shopping & Food Bags - High-end finishing options.
