Desktop Publishing Supplies Brand White A1 Envelopes fit small notecards and everything 3 1/2" x 5" or lower! These White A1 Envelopes are made from a 28lb bond / 70lb text (105 gsm) white paper stock and are inkjet and laser printer compatible. Our white A1 envelopes measure 3 5/8" x 5 1/8" each and feature a square flap.

100 Envelopes