window envelope

• Enveloppe comportant une fenêtre transparente (généralement en plastique) à travers laquelle on voit l'adresse du destinataire imprimée sur le document inséré, évitant ainsi d'avoir à écrire l'adresse sur l'enveloppe elle-même.

An envelope with a transparent plastic panel that allows the recipient's address printed on the letter inside to show through, eliminating the need to write the address on the envelope itself.

1. Envelope with transparent panelB1formal

   An envelope that has a transparent plastic window through which the recipient's address printed on the letter inside can be seen.

   Enveloppe à fenêtre

   • Please use a window envelope for the invoice to avoid printing the address twice.
   • The company sends all its bills in window envelopes.
   • He placed the letter in a window envelope so the address was visible.