Your preferred mailer for singles (non-slabbed)

[x2drich2000]

For me it depends on value and where it is sold from.

Net54/Facebook/etc & <$10 - PWE, cardsaver in a sleeve, and no cardboard. You want that envelope to be flexible enough to get around the bends in the automated processing without getting jammed. If you have ever seen a USPS sort facility you would quickly know what I mean.

Ebay or Between $10-$100 - Kraft mailer (last time I bought from SupplyHut on Ebay, cost <$.10 each for 250 including shipping, and you can use Ebay Bucks if you have them), card is packaged between 2 pieces of cardboard

anything >$100 - plain 4x6 box (usually purchase from Staples & picked up at store, I think the last time I paid about $.25 each for a pack of 25).

[tschock]

Originally Posted by x2drich2000

Net54/Facebook/etc & <$10 - PWE, cardsaver in a sleeve, and no cardboard. You want that envelope to be flexible enough to get around the bends in the automated processing without getting jammed. If you have ever seen a USPS sort facility you would quickly know what I mean.

I think top loaders will work this way as well, if you add some tape. I will either run an entire strip of clear packaging tape across the back of the envelope near the top and fold it over the ends to cover about an inch across the front; or take about a 2 inch piece for each end and fold it over in the middle across the front and back. This keeps the ends from getting snagged in the machine and tearing the envelope. I do this now with almost any envelope with cards in them: raw, top loader, card saver, or even a 3-card row cut from a 9 card page. After sending hundreds of envelopes this way, I've never had one returned (not counting short on postage once or twice) and I've never had any one complain about a mangled envelope.

That said, I also never take these to the person working there, but drop them in the letter slot inside the post office.