Heavy Blank Note Cards and Envelopes Size 5 X 7 - White - 50 Per Pack. - This Is Not a Fold Over Card. Non-folding flat cards are great for making Invitations, Announcements, Photos, Postcards, and much more. 50 Cards and 50 Envelopes The Cards are 5"x7" inches with A7 Envelopes Perfect Use for Laser, Ink Jet and Offset Application Save money by making your own Invitations, Announcements, Photos, Postcards and much more!