Our Performance Postcards are a great way to get your message noticed. Customize using our Free PaperTemplates, online eTemplates, or any word processing program. These beautifully designed postcards are both laser and inkjet compatible. Available in 2 different sizes: Standard Postcards measure 4-¼" x 5-½" and they are sturdy enough to be used for self-mailers or can be mailed in our A2 envelopes. The Jumbo Postcards measure 5-½" x 8-½" and they also are sturdy enough to be used for self-mailers or they can be mailed in our exclusive crescent envelopes. Also available custom printed.