This letterhead and envelope combination is a truly festive way to enhance holiday greetings, announcements, newsletters, invitations, and more! Each stationery & envelope have a paper weight of 50 LB Text. This collection is also inkjet, laser, and copier compatible. The individual letterhead measures 8 1/2" X 11" and is matched with a #10 envelope, which measures 9 1/2" X 4 1/8". Each pack comes with 40 letterheads and 40 envelopes.