These square invitation envelopes cater to fit any occasion. From greeting cards and family holiday cards to wedding invitations and business correspondence, these invitation envelopes are appropriate yet unique enough to catch recipient's attention upon receiving! However you use, our high quality envelopes provide versatility and style. Each has a square opening, straight flap, gum closure, smooth finish, and is made from high quality paper.Details:Available in multiple colors7.5" x 7.5"24 lb. (90 gsm)25 envelopesPaper