OK Packaging specializes in high-quality, customizable three side seal bags for food, pharmaceuticals & industrial use. FDA/ISO-certified. Low MOQ & 24h quote. Trusted by 200+ global brands
Reliable supplier, Chinese manufacturer, 15 years experience factory, one-stop factory (with its own raw material factory and injection molding factory)
Complete certificates FDA, ISO, BRC Sedex, CE certificates
50,000 square meters of floor space 300 employees, 50 sales, 24-hour online service.
Advanced printing technology, multiple 10-color printing machines, support gravure digital printing, one bag one code, support anti-counterfeiting design, guarantee brand benefits.
1. Complete bag types, all kinds of bag types can be made, three-side sealed bags, stand-up bags, flat bottom bags, coffee bags, spout bags, fruit bags, bag-in-box and other series of flexible packaging bags can be customized.
2. There are 40 production lines with a daily production capacity of more than 1 million pieces, and we are able to accept large and small orders.
3. Multi-layer co-extrusion technology, producing high barrier three-side sealed bags (such as food/drug packaging)
One-time molding of 5-9 layers of structure (PE/EVOH/Nylon, etc., no glue lamination required, more environmentally friendly
4.Digital Flexo Printing
Application: Customized three-side sealed bag pattern printing
Advantages: 10-color high-precision printing (Pantone color number matching), fast plate change (<15 minutes) supports small batch orders, supports digital efficiency technology, and can do tactile printing.
5.Automatic product inspection system (AI Vision Inspection)
Application: Real-time detection of edge strength/printing defects
Advantages: 99.9% rejection rate of defective products, data traceability to production batches
6. Sustainable material technology
Application: Environmentally friendly three-side sealed bags
Technical highlights: PCR (recycled plastic), compostable PLA film
7. Intelligent Heat Sealing
Application: Ensure edge strength consistency
Advantages: Real-time temperature adjustment (±1℃), respond to different materials (such as AL foil/PE)
8. Blockchain traceability system
Application: Transparency of supply chain for high-end customers
Advantage: Scan the code to check the source of raw materials/production date
Feature | Detail |
Materials | PET/PE, AL Foil, Kraft Paper (eco-friendly) |
Sizes | 50mm–500mm (custom widths) |
Seal Type | Heat-sealable, Zipper Options |
Application scope:Food-Grade Pouches, Pharma Packaging, ESD Bags
Food: Compliant with EU/US standards (mention resealable options)
Pharma: Sterilizable, high-barrier options
Electronics: Anti-static, ESD-safe
Printing: Pantone color matching, logo/barcode printing.
Features: tear notch, hanging hole, zipper, custom sticker.
Free artwork assistance + design assistance.
Seal test: Test seal strength, air tightness and oxygen barrier of bags (ASTM standard)
Punch test: Test bag strength, drop test: Whether the drop strength of bags meets the shipping standard, steaming test.
Biodegradable/compostable materials can be customized, good environmental performance, environmentally friendly three-side seal bags.
Inquiry: Fill in the demand form,
Sample approval: "3-5 working days", free samples shipped.
Mass production: "10-15 days standard delivery time" for low MOQ,‘ 25-30 days’ delivery time for large orders,
Factory selection: China or Thailand.
Step 1: "Send an inquiry to request information or free samples of stand-up zipper bags(You can fill in the form, call, WA, WeChat, etc.).
Step 2: "Discuss custom requirements with our team. (Specific specifications of stand-up zipper bags, thickness, size, material, printing, quantity, shipping method of stand-up bags)
Step 3: "Bulk order to get competitive prices."
1.Q: “What is the minimum order quantity for three side seal bags?”
A:There is no minimum order quantity requirement. We have digital printing and gravure printing, you can choose by yourself, but gravure printing is more affordable for large quantities.
2. Q:“Can your three side seal bags be printed with patterns?”
A:You can print your own pictures, according to your design, we can provide (AI, PDF files)
3. Q:“Can three side seal bags be recycled??”
A: three side seal bags can be made of recyclable and degradable materials, depending on customer requirements.