25 x Strong Large Grey Mailing Postal Postage Bags 17 x 24 Packaging Mailers [Use in Parcel, Delivery, Shipping, Mail, Packag

Overview

We keep iSOUL 25 x Strong Large Grey Mailing Postal on our envelopes & mailing shelf alongside 48 others, and rank it on rating, review volume and live price rather than on the brand. The manufacturer puts it this way: This iSOUL Opaque Mailing bags incorporate a permanent self-seal closure and are made from an opaque 60-micron film. Our posting bags self-adhesive strong closure. Safe and Secure Package Bags for Clothes or Packaging: These plastic mailers have a sticky strip for easy closure. Once sealed. That is the maker talking, not us, so read it as a claim rather than a finding. 8,991 ratings put it at 4.7 out of 5. The comparison with the rest of the shelf follows.

Shelf price range checked 29 Sept 2026, 06:33 BST · details

How it compares on the envelopes & mailing shelf

We track 49 rated envelopes & mailing products, and the middle of that pack scores 4.6 out of 5. This one is on 4.7. That puts it in the top quarter of the shelf. Most things here rate well, so what matters is the gap to the pack rather than the number on its own, and the gap is real. Weighted for review volume, we place it first on this shelf.

That score rests on 8,991 ratings. The median for this shelf is 2,495. That's a deep enough base for the score to be stable, and it is the reason we rank on volume as well as stars.

Price-wise it falls in the bottom third of a shelf that stretches £1.20 to £29.99, with £7.99 in the middle. Cheaper than most while rating above the middle of the shelf is the combination we look for, and it is the strongest thing this one has going for it.

Shelf prices checked 29 Sept 2026, 06:33 BST · details

Worked out from the 49 envelopes & mailing products we track, not from the brand's own claims. How we rank →

Key features, as the manufacturer lists them

Taken from the product listing via Amazon's product API. These are the seller's claims, not our test results.

• This iSOUL Opaque Mailing bags incorporate a permanent self-seal closure and are made from an opaque 60-micron film. Our posting bags self-adhesive strong closure, water and dirt resistant air sealed bags made for Secure the inside and outside.
• Safe and Secure Package Bags for Clothes or Packaging: These plastic mailers have a sticky strip for easy closure. Once sealed, these bags are very hard to open allowing your items to arrive safely without risk of opening or tampering.
• Plastic envelopes for posting: iSOUL Large postage bags are very light weight and sturdy. You can use its full size or put something smaller inside and wrap the excess before sealing. Postage Bags for clothes , Books, and more
• This Plastic Postage Bags are can be use in any Courier or sealed Airtight storage Purpose, you will get these bags in five different sizes for any size packing material, with the self-seal lip make the parcel air tight and water resistant for personal and business use.
• We Have Small to Large Mailing bags with the size of 6 x 9 Inch / 9 x 12 Inch / 10 x 14 Inch / 12 x 16 / 17 x 24 Inch. Parcel bags for posting Mailing Packaging and more.

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