What Are Onion Bags and Do They Work?

Mar 14, 2025By Annie Yao

AY

What Are Onion Bags?

Ever noticed your onions sprouting too soon or turning soft before you get a chance to use them? Proper storage is key, and onion bags are designed to help.

Onion bags are specialized storage sacks made from breathable materials like mesh, burlap, or woven polypropylene. These materials allow air circulation, preventing moisture buildup and reducing the risk of rot. They come in various sizes, from small household bags (5 kg, 10 kg) to large commercial sacks (50 kg or more) used in bulk storage and distribution.

Types of Onion Bags

  • Mesh Onion Bags – Lightweight and breathable, ideal for home storage and retail.
  • Woven Polypropylene Onion Bags – Strong and durable, commonly used for large-scale agricultural and commercial storage.
  • Burlap Onion Bags – Traditional, biodegradable sacks that provide good airflow.
  • Plastic Onion Bags – Found in supermarkets for consumer-friendly packaging.

Do Onion Bags Work?

Yes! Onion bags are highly effective in keeping onions fresh for longer. Their breathable design helps prevent mold, rot, and premature sprouting. Here’s why they work:

✅ Prevents Moisture Buildup – Breathable materials reduce condensation, minimizing the risk of rot.
✅ Enhances Air Circulation – Proper airflow extends shelf life and prevents spoilage.
✅ Protects Against Contamination – Mesh and woven materials act as a barrier against dirt and pests.
✅ Easy Storage & Transport – Designed for stacking, carrying, and bulk handling.

How to Store Onions in Onion Bags

To maximize freshness, follow these tips:

  • Store onion bags in a cool, dry, and dark place (like a pantry or cellar).
    Keep onions away from potatoes, as potatoes emit gases that can speed up spoilage.
  • Avoid overcrowding the bag to allow proper airflow.
  • Check onions periodically and remove any that are soft or sprouting.

Conclusion

Onion bags are a simple yet effective storage solution that keeps onions fresh by promoting ventilation and preventing moisture retention. Whether for home use or commercial storage, choosing the right type of onion bag helps extend shelf life and improve efficiency.

Have you used onion bags before? Share your experience in the comments!