| PP Woven Shopping Bags Product Specification Table | |
| Parameter | Specification |
| Material | 100% Polypropylene (PP) Woven Fabric+Bopp film |
| Fabric GSM | 80–120 GSM (grams per square meter), customizable |
| Bag Dimensions | Standard Sizes: 40 cm (W) × 40 cm (H) × 15 cm (Gusset) |
| Custom sizes available (e.g., 30×40 cm, 45×50 cm, etc.) | |
| Handle Type | - Loop handles (attached) / Flat handles |
| - Handle length: 25–50 cm (adjustable) | |
| Weight Capacity | 10–25 kg (depending on GSM and design) |
| Printing Options | Screen printing, Rotogravure printing, or digital UV printing |
| Up to 10-color printing (customizable) | |
| Color Options | - Standard colors: White, black, green, blue, red, etc. |
| - Custom Pantone colors available (with MOQ) | |
| Thickness | 0.06–0.12 mm (adjustable based on GSM) |
| Seam Construction | Heat-sealed or stitched seams (reinforced for durability) |
| Features | - Water-resistant, reusable, tear-resistant |
| - Optional features: Laminated lining, zipper closure, inner pockets | |
| MOQ (Minimum Order Qty) | 1,000–5,000 pieces (varies by design complexity and customization) |
| Packaging | 100–200 pcs/polybag or as per customer requirements |
| Certifications | Compliant with ISO 9001, REACH, ROHS, and FDA standards (upon request) |
| Lead Time | 15–30 days (depending on order quantity and customization) |
How PP Woven Shopping Bags Are Made: A Technical Overview
1. Raw Material Preparation: Food-Grade PP Granules, Recyclable Resin
- Polypropylene (PP) Granules:
- Food-safe PP resin (FDA-compliant) with controlled melt flow index (MFI: 3-8g/10min) ensures uniform fiber production.
- Sustainable option: 30-50% recycled PP content (GRS-certified) available.
- Additives:
- UV stabilizers extend outdoor durability.
- Custom color masterbatches with migration resistance (≥Grade 4 per ISO 105-A03).
2. Extrusion & Tape Yarn Production
Key Terms: High-Speed Extrusion, Flat Yarn Manufacturing
- Extrusion Process:
- PP granules are melted into thin films (30-150 GSM) using precision temperature control.
- Cooling & Slitting:
- Rapid cooling stabilizes the film, which is slit into flat yarns (1-4mm wide).
- Critical metrics: Tensile strength ≥35MPa, elongation at break 15-30% (ASTM D638).
3. Weaving Process
PP Woven Fabric, High-Density Weaving
- Weaving Technology:
- Warp and weft yarns are interwoven into fabric (8×8 to 14×14 strands/inch²).
- Fabric properties: Tensile strength ≥60N/cm², controlled breathability.
- Efficiency: Automated systems minimize yarn breakage (<0.5%).
4. Printing & Surface Treatment Rotogravure Printing, BOPP Lamination
- Printing:
- High-resolution rotogravure printing (≥1200dpi) with non-toxic inks (EN 71-3 compliant).
- Optional finishes: Spot UV or hot foil stamping.
- Protective Layers:
- BOPP lamination (12-25μm) enhances waterproofing (contact angle ≥90°).
- Eco-friendly water-based coatings available (VOC emissions <50g/kg).
5. Cutting & Assembly Ultrasonic Cutting, Reinforced Stitching
- Precision Cutting:
- Burr-free edges achieved via advanced cutting technology (±0.5mm accuracy).
- Material efficiency: ≥95% fabric utilization through optimized layouts.
- Stitching:
- Double-locked stitches (≥8 stitches/inch) secure handles (flat-cut, rope, or eco-webbing options).
- Load capacity: 15-25kg (tested via drop tests).
6. Quality Assurance & Packaging
Key Terms: AQL 1.5 Inspection, Export-Ready Packaging
- Testing Protocols:
- Physical durability: 20kg drop test (1.5m height, 3 cycles).
- Color accuracy: ΔE ≤1.5 (spectrophotometer verified).
- Sustainable Packaging:
- Vacuum-compressed bales reduce shipping volume.
- Recyclable corrugated boxes or custom-branded packaging.
7. Our Competitive Advantages
1. Fast Delivery: 15-day production (industry average: 25 days).
2. Certifications: BSCI, ISO 9001/14001, REACH/SVHC compliance.
3. Customization: MOQ 1,000pcs with low printing cylinders cost support.
The comparison of PP Woven Shopping Bags and PP Non-Woven Shopping Bags
1. Material Structure & Production Process
PP Woven Bags
- Made by weaving flat PP tapes (yarns) into a grid-like fabric.
- Production: Extrusion → Film → Slitting → Weaving.
PP Non-Woven Bags
- Made by bonding PP fibers through heat and mechanical processes (spunbonded method).
- Production: Melt-blown fibers → Web formation → Bonding.
2. Key Differences
Aspect
Strength
Durability
Texture
Weight Capacity
Water Resistance
Printing Quality
Cost
PP Woven Bags
High tensile strength, tear-resistant.
Reusable (5+ years), withstands rough handling.
Rough, rigid surface with visible woven texture.
Holds 15–25 kg (ideal for heavy groceries).
Water-resistant (especially with BOPP lamination).
High-definition prints (rotogravure/flexo).
Higher upfront cost (durable material).
PP Non-Woven Bags
Moderate strength, prone to tearing under heavy loads.
Typically single-use or short-term (<1 year).
Soft, fabric-like feel, smoother appearance.
Holds 5–10 kg (suitable for lightweight items).
Absorbs moisture, less water-resistant.
Limited print resolution (screen printing).
Lower cost (economical for bulk orders).
3. Advantages & Disadvantages
PP Woven Shopping Bags
✅ Pros:
- Extreme durability: Reusable for years, reducing long-term waste.
- High load-bearing: Ideal for heavy items (e.g. bulk groceries).
- Customizable: Supports complex designs, laminations, and reinforced handles.
- Weatherproof: Resists UV rays, rain, and abrasion.
❌ Cons:
- Higher cost: Raw material and weaving process increase price.
- Less aesthetic: Visible woven texture may look less premium; lamination is not flat appearance.
- Bulkier: Thicker material takes more storage space.
PP Non-Woven Shopping Bags
✅ Pros:
- Lightweight & portable: Easy to fold/carry, popular for retail giveaways.
- Eco-friendly perception: Often marketed as "recyclable" (depends on additives).
- Cost-effective: Cheaper for short-term promotions.
- Soft texture: Comfortable to hold, resembles cloth.
❌ Cons:
- Low durability: Tears easily, limited reuse cycles.
- Moisture issues: Absorbs water, weakens when wet.
- Print limitations: Fades faster, fewer color options.
- Environmental risk: Non-recyclable if mixed with coatings (e.g., PVC).
4. Best Use Cases
5. Sustainability Comparison
- PP Woven: Better for long-term reuse but harder to recycle (mixed materials).
- PP Non-Woven: Often labeled "recyclable" but requires specialized facilities (rarely 100% PP).
F&Q
1. What is the minimum order quantity (MOQ) for custom PP woven bags?
Answer: Our MOQ starts at 1,000 pieces for standard designs. For fully customized bags (e.g., unique sizes/prints), MOQ may increase slightly.
2. Can I get a free sample before bulk ordering?
Answer: Yes! We offer 1-3 free samples for evaluation. You only pay for shipping.
3. How long does production take for 50,000 bags?
Answer: Production takes 15-20 days after final design approval. Expedited service (10 days) is available for urgent orders.
4. Are your PP woven bags recyclable?
Answer: Absolutely. Our bags use 100% recyclable PP materials and comply with GRS (Global Recycled Standard).
5. Do you provide FDA-certified materials?
Answer: Yes. We use FDA-compliant PP resin, ideal for food-grade packaging (certificates available on request).
6. What printing methods do you offer?
Answer: We specialize in flexo or screen printing (up to 8 colors) and rotogravure printing for complex designs.
7. Can you match Pantone colors?
Answer: Yes! Provide your Pantone code, and we'll ensure a 95%+ color accuracy guarantee.
8. What handle options are available?
Answer: Choose from flat-cut handles, rope handles, or cotton webbing handles (reinforced stitching included).
9. How much weight can your bags hold?
Answer: Our standard PP woven bags withstand 15-25 kg, tested via AQL 1.5 inspection protocols.
10. Do you offer eco-friendly laminations?
Answer: Yes! Water-based screen printing or BOPP laminations for fully recyclable bags.
11. What's the cost for 10,000 bags with a 2-color logo?
Answer: Pricing starts at $0.35-$0.55/bag (final quote depends on size, material GSM, and handle type).
12. Can I use my own logo design file?
Answer: Yes. Submit your design in vector format (AI/EPS) for best results. We also provide free design support.
13. Are your bags suitable for high-temperature climates?
Answer: Yes. Our UV-stabilized PP woven shopping bags resist fading and deformation in temperatures up to 80°C (176°F).
14. Do you provide export packaging?
Answer: Yes. Bags are packed in recyclable cartons or vacuum-sealed bales to reduce shipping costs.
15. What payment terms do you accept?
Answer: We accept T/T, LC. A 30% deposit is required to start production.
16. Can you ship to the EU/US without import duties?
Answer: We provide HS codes and compliance documents (e.g., REACH, BSCI) to simplify customs clearance.
17. How do you ensure print durability?
Answer: we employ rotogravure printing combined with BOPP film lamination. The ink is permanently sealed between the PP woven fabric and the protective BOPP layer, ensuring fade-resistant colors even in harsh environments
18. What's the difference between 80 GSM and 120 GSM bags?
Answer: 80 GSM is lightweight (ideal for retail), while 120 GSM offers extra durability for heavy items.
19. Do you offer compostable PP alternatives?
Answer: While PP isn't compostable, we provide RPET shopping bags or non-woven PP options for biodegradability.
20. Can I order mixed sizes/designs in one shipment?
Answer: Yes! We support assorted orders with no extra setup fees.
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