Flap closure and opening means for envelopes

Flip die cut label for folded mailer

Flip window for multiple return address

Floppy disk directory envelope form

Floppy disk directory envelope form

Flyless mailer having top sheet with cutout

Fold-over mailer with side-open return envelope with slittable e

Folded envelopes, unitary blanks for forming folded envelopes an

Folded money pack envelope

Folded money pack envelope

Four part form from two sheets

Fragrance releasing envelope

Gift card and envelope

Glueless folding envelope

Heat sealing platen, method of sealing and sealed cup

Hosiery envelope

Hyart-fylts letter envelope and display

Index tab label

Insert with a return mailer

Inside bangtail envelope