Fits 4×6 Cards These kraft invitation envelopes measure 4.6 x 6.2 inches and fit standard 4×6 cards. Versatile Usage: These v-flap kraft paper 4×6 envelopes are perfect for sending a variety of items such as greeting cards, birthday party announcements, RSVP wedding invitations, 4×6 photo prints, handwritten letters, and postcards, making them suitable for multiple occasions