Of course you can
it is a special glue that makes it so the envelope wont open
Glue or tape
I have. I have completely taped and envelope for fear my envelope may tear and my letter/ personals fall out. Mailman hasn't complained yet and I've don't this several times.
They had an adhesive on the back, sometimes called "gum". One would moisten the "gum" (usually by licking it) and affix the stamp to the envelope.
Yoghurt pots, fridge interiors, eye-shadow compacts, toys, disposable drinking glasses, tape cassette and CD cases, envelope windows. Yoghurt pots, fridge interiors, eye-shadow compacts, toys, disposable drinking glasses, tape cassette and CD cases, envelope windows.
It's a memory system that uses tape instead of disc.
You can use double sided sticky tape.
Not really, though it is possible it might go through. It would fit the definition of irregular shape. It would mess up the mail handling machines and would probably rip the envelope and they would get lost. A padded envelope or small box would be better. Answer Put it in a sturdy envelope or cardboard envelope--or wrap it with a piece of cardboard. Mark the envelope to "hand stamp only." You might wrap the envelope with clear packing tape, too.
no it is really bad for your skis you will probably get hurt
No. Use teflon tape instead. PVC will melt or burn depending on the temperature
Licking what?
Of course you can! It's like licking a stamp and applying it...you can tuck it in your pocket for as long as you like before you pop it in the mailbox.