White A7 Square Flap Envelopes are perfect to accompany invitation cards, greeting cards, or postcards! These White A7 Envelopes are made from a 24lb bond / 60lb text (90 gsm) white paper stock and are inkjet and laser printer compatible. These white A7 envelopes measure 5 1/4" x 7 1/4" each and feature a square flap.