All in all it is an OK envelope. It feels a little cheap to the touch. Color is a little off. It is not as white as it should be because the blue security lining seems to bleed through.
We use it to pay bills that contain personal checks and are paid in drop boxes as the one at our local water company. They don't provide an envelope and so we use this kind.
Use product to mail letters bills etc. Business size envelopes are always good. The seal sucks. At the price you charge I was extremely disappointed in the quality.