Red A2 Envelopes - 50 Envelopes - 5 3/4 x 4 3/8 - Great for Christmas, Valentines, and Patriotic Holidays A2 Size Envelope (4 3/8" x 5 3/4") Holiday Red 24lb bond / 60lb text (90 gsm) Paper Stock Inkjet & Laser Compatible Square Flap Gummed for Sealing 50 Envelopes