Invitation envelopes; ideal for mailing computer-generated wedding, birthday, or other special event invites Includes 100 blank A9 envelopes made of 24-pound white woven paper for reliable strength Holds folded 8-1/2 x 11 inch sheets of paper Peel and Seal for convenient closure (no moisture needed) Smooth printer-friendly surface works well for direct printing Product dimensions: 5-3/4 x 8-3/4 inches (LxW)