Astrobright Re-entry Red A2 Envelopes - 50 Pk Red Size: A2 (4.38 x 5.75 inches) Quantity: 50 envelopes per pack Envelope Features: Straight gummed flap closure, high quality smooth paper finish, made with 30% recycled materials These envelopes are perfect to use for sending invitations, greeting cards, RSVP's, thank you cards, gifts for birthdays, graduations, holidays and more