Description
Sourdough is different from every other bread its thick, crackly crust and open, airy crumb depend on the right balance of moisture. Seal it in plastic and the crust goes soft within hours. That’s why our Paper Bags for Sourdough Bread are built specifically for this kind of loaf: made from breathable kraft paper that allows steam to escape naturally, keeping the crust crisp and the crumb from turning gummy.
Designed for bakeries, artisan bread makers, and sourdough subscription boxes, these bags hold their shape around round boules and long batards alike, and can be fully branded with your logo and colors so every loaf leaves the counter looking as good as it tastes.
Why Sourdough Bakers Choose Our Bags
- Crust-friendly breathability – Kraft paper regulates moisture better than plastic or sealed packaging
- Sturdy, shape-holding design – Reinforced base and gussets support the weight of dense sourdough loaves
- Custom branding – Print your logo, bakery name, or care instructions directly on the bag
- Eco-conscious – Recyclable and biodegradable kraft material
- Window options – Show off the scoring and crust with a die-cut or glassine window
Available Sizes
Sourdough loaves vary widely in shape round boules, oval batards, and everything in between so we offer sizing to match.
| Size Name | Width | Gusset | Height | Best For |
|---|---|---|---|---|
| Small Boule | 5″ | 3″ | 11″ | Small round sourdough loaves |
| Medium Boule | 6″ | 4″ | 13″ | Standard boules |
| Large Boule | 7″ | 4″ | 15″ | Large or extra-hydrated boules |
| Batard | 6″ | 4″ | 16″ | Oval-shaped sourdough loaves |
| Extra Large | 8″ | 5″ | 18″ | Oversized artisan loaves |
Custom dimensions available on request for specialty sourdough shapes.
Paper Weight (GSM) Options
| GSM | Thickness Feel | Recommended Use |
|---|---|---|
| 50 GSM | Standard | Everyday sourdough loaves |
| 60 GSM | Medium | Longer countertop or shelf storage |
| 70–80 GSM | Heavy Duty | Large loaves, delivery/shipping use |
Customization Options
| Feature | Available Options |
|---|---|
| Material | Bleached or unbleached kraft paper |
| Style | Gusseted, boule-fit, batard-fit |
| Window | Die-cut window, glassine window, or no window |
| Printing | 1-color to full-color, 1 or 2 sides |
| Closure | Open top, twist-tie, twine tie |
| Add-ons | Grease-resistant liner, custom stickers, hang holes |
Product Specifications
| Specification | Details |
|---|---|
| Material | Food-safe kraft paper |
| Paper Weight | 50–80 GSM |
| Print Method | Flexographic / Offset |
| Recyclable | Yes |
| Biodegradable | Yes |
| Minimum Order Quantity | 500 units (custom printed) |
| Turnaround Time | 7–10 business days |
| Sample Availability | Yes |
Keep Every Loaf Bakery-Fresh
From your first cut to your customer’s kitchen counter, our sourdough bags are built to protect the crust and crumb you worked hours to perfect. Order a sample pack to test the fit, or send us your loaf dimensions for a fully custom size.
Request a free quote today from Shop Custom Papers and give your sourdough the packaging it deserves.







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