SO Brown Paper Bags Size 4
R21.00
Our Size 4 SO Brown Paper Bags (25 Pack) are premium, eco-friendly Self-Opening Square (SOS) bags designed for reliable and classic packaging. Featuring a compact and practical metric profile of 125 mm (W) + 80 mm (Gusset) x 240 mm (H), these heavy-duty brown Kraft paper sacks feature a flat block-bottom design that allows them to stand upright independently for fast, hassle-free filling. They are the ideal sustainable choice for bakeries, takeaway outlets, and boutique retail stores looking to package smaller baked goods, individual treats, or small retail portions.
In stock
Description
Sustainable, Sturdy, and Compact Everyday Packaging Solutions
Upgrade your brand’s packaging presentation while reducing your environmental footprint with our premium Size 4 SO Brown Paper Bags. Widely known as Self-Opening Square or block-bottom bags, these versatile Kraft paper sacks offer a perfect blend of nostalgic rustic charm and heavy-duty structural durability, making them an absolute staple for commercial food service, retail shops, and home organization.
The defining feature of these Size 4 bags is their intelligent, user-friendly construction. Engineered with an expandable 80 mm side gusset and a sturdy flat base, each bag folds open into a rigid box shape that stands firmly on your counter. This self-standing layout significantly speeds up packing times in busy retail, market, or kitchen environments. Made from high-quality, high-burst natural Kraft paper, these bags easily handle the weight of smaller bakes, spices, portioned grocery items, or takeaway snacks without tearing or giving way at the seams.
Key Features & Benefits
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Self-Opening Flat-Bottom Design: The structural SOS block-bottom ensures the bag stands upright on its own, allowing for easy, single-handed filling during peak rush hours.
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100% Eco-Friendly & Food-Safe: Crafted from unbleached, non-toxic, and natural brown Kraft paper that is completely biodegradable, compostable, and recyclable.
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Heavy-Duty Tear Resistance: Designed with thick paper walls and reinforced seams to securely hold smaller items without splitting or sagging.
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Convenient 25-Piece Pack: Bundled in a practical, space-saving pack of 25 bags, making it perfect for small home bakeries, market stalls, or trial runs before bulk ordering.
Perfect For:
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Packaging single-serving pastries, muffins, cookies, small batches of rusks, and fresh confectionery.
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Packing small fast-food takeaway orders, deli sides, individual sandwiches, and smaller snacks.
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Serving as a rustic retail merchandise bag for custom crafts, loose tea leaves, coffee beans, wellness items, and spices.
Specifications
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Product Name: SO Brown Paper Bags Size 4
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Bag Type: Self-Opening Square (SOS) / Block-Bottom Paper Sack
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Material: Unbleached Natural Brown Kraft Paper (Food-Grade)
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Pack Quantity: 25 Bags per pack
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Width (Front): 125 mm
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Gusset (Side Depth): 80 mm
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Height (Vertical): 240 mm
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Base Style: Flat rectangular block-bottom
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Sustainability: 100% Recyclable, Biodegradable, and Compostable
Additional information
| Weight | 0.18 kg |
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| Dimensions | 22.0 × 13.0 × 2.8 cm |








