Strathmore has been setting the standard for design and innocation since 1892. ÊThey add an image of luxury to all print and personal communication. ÊA9 is 5 3/4″ x 8 3/4″, a 5 1/2″ x 8 1/2″ card fits in it perfectly (a 1/2 sheet of paper). Deep European flap adds to the beauty of these envelopes.