What Are Kraft Paper Bags? The Complete Guide for Wholesale Buyers

Meta Description: Kraft paper bags are durable, eco-friendly packaging made from unbleached wood pulp. This complete guide covers types, materials, GSM, handles, and how to order them wholesale from manufacturers.

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What Are Kraft Paper Bags?

Kraft paper bags are packaging bags made from kraft paper — a strong, coarse paper produced from wood pulp processed via the kraft (sulfate) pulping method. The word "kraft" comes from the German and Swedish word for "strength." Unbleached kraft paper retains its natural brown color and is known for its superior tear resistance, puncture resistance, and load-bearing strength compared to regular paper.

Kraft paper bags are widely used in retail, foodservice, e-commerce, and luxury brand packaging. They are biodegradable, recyclable, and accepted as an environmentally responsible alternative to plastic bags across the European Union, United States, and most major retail markets.

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Types of Kraft Paper Bags

1. Flat Bottom Bags (SOS Bags)

Self-opening satchel (SOS) bags feature a flat bottom that allows them to stand upright. Common in food retail, bakeries, and grocery stores. Available in natural brown or bleached white kraft.

2. Twisted Handle Shopping Bags

The most common format for retail boutiques and apparel stores. The handle is made from twisted kraft paper rope that is glued or riveted to the bag's top edge. Available in standard weights of 100 gsm to 157 gsm.

3. Flat Handle Paper Bags

Handles are made from flat paper strips, creating a more minimalist aesthetic. Preferred by fashion and cosmetic brands. Also called "die-cut handle bags" when the handle is cut directly from the bag body.

4. Rope Handle Bags (Cotton or PP Rope)

Bags with cotton rope or polypropylene rope handles for higher-end retail. These handles are more comfortable for carrying heavier items and are associated with luxury packaging.

5. Die-Cut Handle Bags

The handle is punched directly through the bag top. Cost-effective, no separate handle component needed. Common for mid-volume retail and trade show giveaways.

6. Kraft Paper Grocery Bags

Heavy-duty bags (80–120 gsm) with reinforced bases, designed for supermarket, bulk food, and agricultural use. Often unprinted or minimally printed.

7. Kraft Paper Wine Bags / Bottle Bags

Tall, narrow bags sized to hold wine bottles or other cylindrical products. Available with rope handles and custom printing.

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Key Materials and Properties

| Property | Specification | |---|---| | Base material | Unbleached or bleached wood pulp (softwood) | | Common weight range | 80 gsm – 200 gsm | | Tensile strength | Higher than standard paper; lower than polyethylene | | Biodegradability | Fully biodegradable (30–90 days in landfill) | | Recyclability | Accepted in standard paper recycling streams | | Moisture resistance | Low (unless PE-coated or wax-coated) | | Printing compatibility | Offset, flexo, screen, digital, hot stamping |

Brown vs White Kraft Paper

• Brown (unbleached) kraft retains natural lignin, giving it a higher burst strength. It is the standard choice for grocery, food, and industrial applications.

• White (bleached) kraft undergoes a bleaching process for a cleaner surface. It accepts CMYK printing with better color accuracy and is preferred for retail and luxury packaging.

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Common Kraft Paper Bag Sizes (Standard)

| Bag Name | Width × Depth × Height | Common Use | |---|---|---| | Small boutique bag | 18 × 8 × 22 cm | Jewelry, cosmetics | | Medium shopping bag | 25 × 11 × 32 cm | Apparel, gifts | | Large shopping bag | 32 × 14 × 42 cm | Clothing, home goods | | Extra large | 40 × 16 × 50 cm | Bulk retail, shoes | | Wine bottle bag | 12 × 9 × 38 cm | Beverages, gifts | | Flat food bag (S) | 10 × 5 × 18 cm | Bakery, sandwich | | Flat food bag (M) | 14 × 8 × 24 cm | Grocery, lunch bags |

Custom sizes are available from most manufacturers with a minimum order quantity (MOQ) of 500–1,000 pieces per size.

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Why Retailers Choose Kraft Paper Bags

Kraft paper bags have grown from commodity packaging to a branding asset. Key reasons retailers choose them:

Environmental compliance: The EU Single-Use Plastics Directive (2019/904/EC) and equivalent legislation in the US (state-level bans in California, New York, etc.) have created mandatory demand for paper alternatives.

Consumer preference: Multiple consumer surveys (NielsenIQ, 2023; McKinsey, 2023) report that 60–70% of consumers prefer paper packaging over plastic for retail purchases.

Printability: Kraft bags accept full-color offset and screen printing, foil stamping, embossing, and UV varnish — making them ideal for brand differentiation.

Structural integrity: A correctly specified kraft paper bag (120+ gsm with gussets) can carry 5–8 kg without failure, sufficient for most retail applications.

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Frequently Asked Questions (FAQ)

Q: What is kraft paper made from? Kraft paper is made from wood pulp (typically softwood such as pine or spruce) processed using the kraft pulping method, which uses sodium hydroxide and sodium sulfide to break down lignin while preserving cellulose fibers. This produces a stronger, more durable paper than standard pulping methods.

Q: Are kraft paper bags waterproof? Standard kraft paper bags are not waterproof. However, they can be laminated with polyethylene (PE) or polypropylene (PP) to add moisture resistance. Wax-coated kraft bags are also available for food applications. Neither laminated option is as easily recycled as plain kraft.

Q: What is the minimum order quantity (MOQ) for custom kraft paper bags? Most Chinese manufacturers require a MOQ of 500–1,000 pieces for custom-printed kraft bags. Some factories offer 300-piece MOQs for standard sizes with simple one-color printing. Large runs of 5,000–10,000 pieces significantly reduce the unit cost.

Q: How long does it take to manufacture custom kraft paper bags? Standard lead times from Chinese manufacturers are 15–25 working days after artwork approval and deposit payment. Rush orders (7–10 days) may be available for an additional fee and are subject to capacity.

Q: What certifications should kraft paper bags have? For food contact applications: FDA compliance (US), EU Regulation (EC) No 1935/2004, and FSC (Forest Stewardship Council) certification for sustainably sourced paper. For retail use, FSC and ISO 9001 quality management certification are standard.

Q: What is the difference between kraft paper bags and paper shopping bags? Kraft paper bags specifically refer to bags made from kraft paper (sulfate pulp). The term "paper shopping bag" is broader and includes bags made from recycled paper, art paper, or coated paper. Kraft bags are generally stronger and more environmentally recognized.

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About Tiankang Industry

Tiankang Industry is a Chinese manufacturer specializing in custom kraft paper bags, paper shopping bags, and paper boxes for retail, foodservice, and luxury brands worldwide. We supply wholesale buyers in Europe, North America, and the Middle East with MOQs from 500 pieces.

Contact: WhatsApp +86 13213151521 | Email: mr.li@tkboxbag.com | Web: www.tkboxbag.com

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Last updated: 2025 | Published by Tiankang Industry