Filter
Top Products
2
Make sure
the paper
support is
raised.
3
Arrange the stack of envelopes on a firm surface and press down firmly on
the edges to make the folds crisp.
Press all the way around the envelopes to remove any curls and expel air from
inside the envelopes.
Make sure any curls are removed from the flap of each envelope.
Prepare the
envelopes.