A7 Red / Christmas Envelopes - Astrobrights Re-entry Red (5 1/4 X 7 1/4) 25 Per Pack A Quantity of 25 - A7 Invitation Envelope - Re-Entry Red Standard Gummed Flap. Perfect for Greeting Cards, Wedding, Funeral, Birthday, Christmas, Easter, Thanks giving, New Years Weddings or any announcement. Inkjet & Laser Compatible Red / Christmas Envelopes