(Pack of 50) H/5 H5 – 270 x 360 mm Sealed Air Mail Lite White Envelopes Mail Post Vacuum Bags [Equivalent to JL5 /Featherpost size H]

I purchased this product because it was the most cost effective which is needed when a business is looking to manage it cost.

good quality and decent adhesive

This is my 2nd batch now.When inserting a book the inside bubble wrapping seems to get detached from the envelope making it almost impossible to insert a book. I initially thought the previous order was a faulty batch but it is doing the same to the 2nd batch!!