The zip-lock mechanism is secure and allows for multiple openings/closings.

Generous 500x400 mm size fits bulky items easily.

The 40 µm thickness provides a good balance of strength and clarity.

"I recently purchased these large (Item 155710) and they have been a lifesaver for organizing my inventory. At 40 microns thick, the polyethylene is durable enough to hold heavier items without tearing, yet flexible enough to fold easily.

What stands out most is the . It creates a genuinely airtight closure that stays shut, even if the bag is tossed around. Because they are reusable, they are a much more sustainable and cost-effective choice compared to single-use alternatives. They are perfect for protecting clothing, larger documents, or bulk supplies from dust and moisture. If you need a heavy-duty, oversized storage bag that actually stays sealed, these are exactly what you're looking for." Key Features Noted: